CVE-2025-26596 (GCVE-0-2025-26596)
Vulnerability from cvelistv5
Published
2025-02-25 15:54
Modified
2025-07-29 00:19
Severity ?
7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
Summary
A heap overflow flaw was found in X.Org and Xwayland. The computation of the length in XkbSizeKeySyms() differs from what is written in XkbWriteKeySyms(), which may lead to a heap-based buffer overflow.
References
Impacted products
Vendor Product Version
Version: 0   ≤
Version: 22.0.0   ≤
Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 10 Unaffected: 0:24.1.5-3.el10_0   < *
    cpe:/o:redhat:enterprise_linux:10.0
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support Unaffected: 0:1.8.0-36.el7_9   < *
    cpe:/o:redhat:rhel_els:7
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 7 Extended Lifecycle Support Unaffected: 0:1.20.4-30.el7_9   < *
    cpe:/o:redhat:rhel_els:7
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8 Unaffected: 0:1.13.1-15.el8_10   < *
    cpe:/a:redhat:enterprise_linux:8::appstream
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.2 Advanced Update Support Unaffected: 0:1.9.0-15.el8_2.13   < *
    cpe:/a:redhat:rhel_aus:8.2::appstream
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Unaffected: 0:1.11.0-8.el8_4.12   < *
    cpe:/a:redhat:rhel_e4s:8.4::appstream
    cpe:/a:redhat:rhel_aus:8.4::appstream
    cpe:/a:redhat:rhel_tus:8.4::appstream
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.4 Telecommunications Update Service Unaffected: 0:1.11.0-8.el8_4.12   < *
    cpe:/a:redhat:rhel_e4s:8.4::appstream
    cpe:/a:redhat:rhel_aus:8.4::appstream
    cpe:/a:redhat:rhel_tus:8.4::appstream
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions Unaffected: 0:1.11.0-8.el8_4.12   < *
    cpe:/a:redhat:rhel_e4s:8.4::appstream
    cpe:/a:redhat:rhel_aus:8.4::appstream
    cpe:/a:redhat:rhel_tus:8.4::appstream
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Unaffected: 0:1.12.0-6.el8_6.13   < *
    cpe:/a:redhat:rhel_tus:8.6::appstream
    cpe:/a:redhat:rhel_aus:8.6::appstream
    cpe:/a:redhat:rhel_e4s:8.6::appstream
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.6 Telecommunications Update Service Unaffected: 0:1.12.0-6.el8_6.13   < *
    cpe:/a:redhat:rhel_tus:8.6::appstream
    cpe:/a:redhat:rhel_aus:8.6::appstream
    cpe:/a:redhat:rhel_e4s:8.6::appstream
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions Unaffected: 0:1.12.0-6.el8_6.13   < *
    cpe:/a:redhat:rhel_tus:8.6::appstream
    cpe:/a:redhat:rhel_aus:8.6::appstream
    cpe:/a:redhat:rhel_e4s:8.6::appstream
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8.8 Extended Update Support Unaffected: 0:1.12.0-15.el8_8.12   < *
    cpe:/a:redhat:rhel_eus:8.8::appstream
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:1.14.1-1.el9_5.1   < *
    cpe:/a:redhat:enterprise_linux:9::appstream
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:1.20.11-28.el9_6   < *
    cpe:/a:redhat:enterprise_linux:9::crb
    cpe:/a:redhat:enterprise_linux:9::appstream
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9 Unaffected: 0:23.2.7-3.el9_6   < *
    cpe:/a:redhat:enterprise_linux:9::crb
    cpe:/a:redhat:enterprise_linux:9::appstream
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions Unaffected: 0:1.11.0-22.el9_0.13   < *
    cpe:/a:redhat:rhel_e4s:9.0::appstream
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9.2 Extended Update Support Unaffected: 0:1.12.0-14.el9_2.10   < *
    cpe:/a:redhat:rhel_eus:9.2::appstream
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support Unaffected: 0:1.13.1-8.el9_4.5   < *
    cpe:/a:redhat:rhel_eus:9.4::appstream
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 6     cpe:/o:redhat:enterprise_linux:6
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8     cpe:/o:redhat:enterprise_linux:8
 Create a notification for this product.
   Red Hat Red Hat Enterprise Linux 8     cpe:/o:redhat:enterprise_linux:8
 Create a notification for this product.
Show details on NVD website

To clipboard 

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-26596",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-02-25T17:14:01.432188Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-02-25T17:22:27.580Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://gitlab.freedesktop.org/xorg/xserver/",
          "defaultStatus": "unaffected",
          "packageName": "xserver",
          "versions": [
            {
              "lessThan": "21.1.16",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
            },
            {
              "lessThan": "24.1.6",
              "status": "affected",
              "version": "22.0.0",
              "versionType": "semver"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:10.0"
          ],
          "defaultStatus": "affected",
          "packageName": "xorg-x11-server-Xwayland",
          "product": "Red Hat Enterprise Linux 10",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:24.1.5-3.el10_0",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:rhel_els:7"
          ],
          "defaultStatus": "affected",
          "packageName": "tigervnc",
          "product": "Red Hat Enterprise Linux 7 Extended Lifecycle Support",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:1.8.0-36.el7_9",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:rhel_els:7"
          ],
          "defaultStatus": "affected",
          "packageName": "xorg-x11-server",
          "product": "Red Hat Enterprise Linux 7 Extended Lifecycle Support",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:1.20.4-30.el7_9",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:enterprise_linux:8::appstream"
          ],
          "defaultStatus": "affected",
          "packageName": "tigervnc",
          "product": "Red Hat Enterprise Linux 8",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:1.13.1-15.el8_10",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_aus:8.2::appstream"
          ],
          "defaultStatus": "affected",
          "packageName": "tigervnc",
          "product": "Red Hat Enterprise Linux 8.2 Advanced Update Support",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:1.9.0-15.el8_2.13",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_e4s:8.4::appstream",
            "cpe:/a:redhat:rhel_aus:8.4::appstream",
            "cpe:/a:redhat:rhel_tus:8.4::appstream"
          ],
          "defaultStatus": "affected",
          "packageName": "tigervnc",
          "product": "Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:1.11.0-8.el8_4.12",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_e4s:8.4::appstream",
            "cpe:/a:redhat:rhel_aus:8.4::appstream",
            "cpe:/a:redhat:rhel_tus:8.4::appstream"
          ],
          "defaultStatus": "affected",
          "packageName": "tigervnc",
          "product": "Red Hat Enterprise Linux 8.4 Telecommunications Update Service",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:1.11.0-8.el8_4.12",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_e4s:8.4::appstream",
            "cpe:/a:redhat:rhel_aus:8.4::appstream",
            "cpe:/a:redhat:rhel_tus:8.4::appstream"
          ],
          "defaultStatus": "affected",
          "packageName": "tigervnc",
          "product": "Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:1.11.0-8.el8_4.12",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_tus:8.6::appstream",
            "cpe:/a:redhat:rhel_aus:8.6::appstream",
            "cpe:/a:redhat:rhel_e4s:8.6::appstream"
          ],
          "defaultStatus": "affected",
          "packageName": "tigervnc",
          "product": "Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:1.12.0-6.el8_6.13",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_tus:8.6::appstream",
            "cpe:/a:redhat:rhel_aus:8.6::appstream",
            "cpe:/a:redhat:rhel_e4s:8.6::appstream"
          ],
          "defaultStatus": "affected",
          "packageName": "tigervnc",
          "product": "Red Hat Enterprise Linux 8.6 Telecommunications Update Service",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:1.12.0-6.el8_6.13",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_tus:8.6::appstream",
            "cpe:/a:redhat:rhel_aus:8.6::appstream",
            "cpe:/a:redhat:rhel_e4s:8.6::appstream"
          ],
          "defaultStatus": "affected",
          "packageName": "tigervnc",
          "product": "Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:1.12.0-6.el8_6.13",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_eus:8.8::appstream"
          ],
          "defaultStatus": "affected",
          "packageName": "tigervnc",
          "product": "Red Hat Enterprise Linux 8.8 Extended Update Support",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:1.12.0-15.el8_8.12",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:enterprise_linux:9::appstream"
          ],
          "defaultStatus": "affected",
          "packageName": "tigervnc",
          "product": "Red Hat Enterprise Linux 9",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:1.14.1-1.el9_5.1",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:enterprise_linux:9::crb",
            "cpe:/a:redhat:enterprise_linux:9::appstream"
          ],
          "defaultStatus": "affected",
          "packageName": "xorg-x11-server",
          "product": "Red Hat Enterprise Linux 9",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:1.20.11-28.el9_6",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:enterprise_linux:9::crb",
            "cpe:/a:redhat:enterprise_linux:9::appstream"
          ],
          "defaultStatus": "affected",
          "packageName": "xorg-x11-server-Xwayland",
          "product": "Red Hat Enterprise Linux 9",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:23.2.7-3.el9_6",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_e4s:9.0::appstream"
          ],
          "defaultStatus": "affected",
          "packageName": "tigervnc",
          "product": "Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:1.11.0-22.el9_0.13",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_eus:9.2::appstream"
          ],
          "defaultStatus": "affected",
          "packageName": "tigervnc",
          "product": "Red Hat Enterprise Linux 9.2 Extended Update Support",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:1.12.0-14.el9_2.10",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/a:redhat:rhel_eus:9.4::appstream"
          ],
          "defaultStatus": "affected",
          "packageName": "tigervnc",
          "product": "Red Hat Enterprise Linux 9.4 Extended Update Support",
          "vendor": "Red Hat",
          "versions": [
            {
              "lessThan": "*",
              "status": "unaffected",
              "version": "0:1.13.1-8.el9_4.5",
              "versionType": "rpm"
            }
          ]
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:6"
          ],
          "defaultStatus": "affected",
          "packageName": "tigervnc",
          "product": "Red Hat Enterprise Linux 6",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:6"
          ],
          "defaultStatus": "unknown",
          "packageName": "xorg-x11-server",
          "product": "Red Hat Enterprise Linux 6",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:8"
          ],
          "defaultStatus": "unaffected",
          "packageName": "xorg-x11-server",
          "product": "Red Hat Enterprise Linux 8",
          "vendor": "Red Hat"
        },
        {
          "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
          "cpes": [
            "cpe:/o:redhat:enterprise_linux:8"
          ],
          "defaultStatus": "unaffected",
          "packageName": "xorg-x11-server-Xwayland",
          "product": "Red Hat Enterprise Linux 8",
          "vendor": "Red Hat"
        }
      ],
      "datePublic": "2025-02-25T00:00:00.000Z",
      "descriptions": [
        {
          "lang": "en",
          "value": "A heap overflow flaw was found in X.Org and Xwayland. The computation of the length in XkbSizeKeySyms() differs from what is written in XkbWriteKeySyms(), which may lead to a heap-based buffer overflow."
        }
      ],
      "metrics": [
        {
          "other": {
            "content": {
              "namespace": "https://access.redhat.com/security/updates/classification/",
              "value": "Important"
            },
            "type": "Red Hat severity rating"
          }
        },
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "LOCAL",
            "availabilityImpact": "HIGH",
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "format": "CVSS"
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-787",
              "description": "Out-of-bounds Write",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-07-29T00:19:23.477Z",
        "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
        "shortName": "redhat"
      },
      "references": [
        {
          "name": "RHSA-2025:2500",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2025:2500"
        },
        {
          "name": "RHSA-2025:2502",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2025:2502"
        },
        {
          "name": "RHSA-2025:2861",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2025:2861"
        },
        {
          "name": "RHSA-2025:2862",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2025:2862"
        },
        {
          "name": "RHSA-2025:2865",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2025:2865"
        },
        {
          "name": "RHSA-2025:2866",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2025:2866"
        },
        {
          "name": "RHSA-2025:2873",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2025:2873"
        },
        {
          "name": "RHSA-2025:2874",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2025:2874"
        },
        {
          "name": "RHSA-2025:2875",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2025:2875"
        },
        {
          "name": "RHSA-2025:2879",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2025:2879"
        },
        {
          "name": "RHSA-2025:2880",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2025:2880"
        },
        {
          "name": "RHSA-2025:7163",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2025:7163"
        },
        {
          "name": "RHSA-2025:7165",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2025:7165"
        },
        {
          "name": "RHSA-2025:7458",
          "tags": [
            "vendor-advisory",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/errata/RHSA-2025:7458"
        },
        {
          "tags": [
            "vdb-entry",
            "x_refsource_REDHAT"
          ],
          "url": "https://access.redhat.com/security/cve/CVE-2025-26596"
        },
        {
          "name": "RHBZ#2345256",
          "tags": [
            "issue-tracking",
            "x_refsource_REDHAT"
          ],
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2345256"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2025-02-12T14:15:01.367000+00:00",
          "value": "Reported to Red Hat."
        },
        {
          "lang": "en",
          "time": "2025-02-25T00:00:00+00:00",
          "value": "Made public."
        }
      ],
      "title": "Xorg: xwayland: heap overflow in xkbwritekeysyms()",
      "workarounds": [
        {
          "lang": "en",
          "value": "Mitigation for this issue is either not available or the currently available options don\u0027t meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability."
        }
      ],
      "x_redhatCweChain": "CWE-787: Out-of-bounds Write"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
    "assignerShortName": "redhat",
    "cveId": "CVE-2025-26596",
    "datePublished": "2025-02-25T15:54:23.693Z",
    "dateReserved": "2025-02-12T14:12:22.795Z",
    "dateUpdated": "2025-07-29T00:19:23.477Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "nvd": "{\"cve\":{\"id\":\"CVE-2025-26596\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2025-02-25T16:15:38.603\",\"lastModified\":\"2025-05-13T20:15:26.490\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"A heap overflow flaw was found in X.Org and Xwayland. The computation of the length in XkbSizeKeySyms() differs from what is written in XkbWriteKeySyms(), which may lead to a heap-based buffer overflow.\"},{\"lang\":\"es\",\"value\":\"Se encontr\u00f3 una falla de desbordamiento de b\u00fafer en X.Org y Xwayland. El c\u00e1lculo de la longitud en XkbSizeKeySyms() difiere de lo que est\u00e1 escrito en XkbWriteKeySyms(), lo que puede provocar un desbordamiento de b\u00fafer en el b\u00fafer.\"}],\"metrics\":{\"cvssMetricV31\":[{\"source\":\"secalert@redhat.com\",\"type\":\"Secondary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9},{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"3.1\",\"vectorString\":\"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\",\"baseScore\":7.8,\"baseSeverity\":\"HIGH\",\"attackVector\":\"LOCAL\",\"attackComplexity\":\"LOW\",\"privilegesRequired\":\"LOW\",\"userInteraction\":\"NONE\",\"scope\":\"UNCHANGED\",\"confidentialityImpact\":\"HIGH\",\"integrityImpact\":\"HIGH\",\"availabilityImpact\":\"HIGH\"},\"exploitabilityScore\":1.8,\"impactScore\":5.9}]},\"weaknesses\":[{\"source\":\"secalert@redhat.com\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-787\"}]},{\"source\":\"nvd@nist.gov\",\"type\":\"Secondary\",\"description\":[{\"lang\":\"en\",\"value\":\"CWE-787\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:tigervnc:tigervnc:-:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"79A8316C-BA22-441E-92AF-415AFABCEB76\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:x.org:x_server:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"21.1.16\",\"matchCriteriaId\":\"07E5F462-A20F-472C-85E7-804D46F01A7A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:x.org:xwayland:*:*:*:*:*:*:*:*\",\"versionEndExcluding\":\"24.1.6\",\"matchCriteriaId\":\"1CBC57E6-F54D-4B54-9263-9753CCA3EEF7\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:redhat:enterprise_linux:7.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"142AD0DD-4CF3-4D74-9442-459CE3347E3A\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"F4CFF558-3C47-480D-A2F0-BABF26042943\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"7F6FB57C-2BC7-487C-96DD-132683AEB35D\"}]}]}],\"references\":[{\"url\":\"https://access.redhat.com/errata/RHSA-2025:2500\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2025:2502\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2025:2861\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2025:2862\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2025:2865\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2025:2866\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2025:2873\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2025:2874\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2025:2875\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2025:2879\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2025:2880\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://access.redhat.com/errata/RHSA-2025:7163\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://access.redhat.com/errata/RHSA-2025:7165\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://access.redhat.com/errata/RHSA-2025:7458\",\"source\":\"secalert@redhat.com\"},{\"url\":\"https://access.redhat.com/security/cve/CVE-2025-26596\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"https://bugzilla.redhat.com/show_bug.cgi?id=2345256\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Issue Tracking\"]}]}}",
    "vulnrichment": {
      "containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2025-26596\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"total\"}], \"version\": \"2.0.3\", \"timestamp\": \"2025-02-25T17:14:01.432188Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2025-02-25T17:15:55.709Z\"}}], \"cna\": {\"title\": \"Xorg: xwayland: heap overflow in xkbwritekeysyms()\", \"metrics\": [{\"other\": {\"type\": \"Red Hat severity rating\", \"content\": {\"value\": \"Important\", \"namespace\": \"https://access.redhat.com/security/updates/classification/\"}}}, {\"format\": \"CVSS\", \"cvssV3_1\": {\"scope\": \"UNCHANGED\", \"version\": \"3.1\", \"baseScore\": 7.8, \"attackVector\": \"LOCAL\", \"baseSeverity\": \"HIGH\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\", \"integrityImpact\": \"HIGH\", \"userInteraction\": \"NONE\", \"attackComplexity\": \"LOW\", \"availabilityImpact\": \"HIGH\", \"privilegesRequired\": \"LOW\", \"confidentialityImpact\": \"HIGH\"}}], \"affected\": [{\"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"21.1.16\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"22.0.0\", \"lessThan\": \"24.1.6\", \"versionType\": \"semver\"}], \"packageName\": \"xserver\", \"collectionURL\": \"https://gitlab.freedesktop.org/xorg/xserver/\", \"defaultStatus\": \"unaffected\"}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux:10.0\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 10\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"0:24.1.5-3.el10_0\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"xorg-x11-server-Xwayland\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/o:redhat:rhel_els:7\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 7 Extended Lifecycle Support\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"0:1.8.0-36.el7_9\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"tigervnc\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/o:redhat:rhel_els:7\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 7 Extended Lifecycle Support\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"0:1.20.4-30.el7_9\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"xorg-x11-server\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:enterprise_linux:8::appstream\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 8\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"0:1.13.1-15.el8_10\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"tigervnc\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_aus:8.2::appstream\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 8.2 Advanced Update Support\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"0:1.9.0-15.el8_2.13\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"tigervnc\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_e4s:8.4::appstream\", \"cpe:/a:redhat:rhel_aus:8.4::appstream\", \"cpe:/a:redhat:rhel_tus:8.4::appstream\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"0:1.11.0-8.el8_4.12\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"tigervnc\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_e4s:8.4::appstream\", \"cpe:/a:redhat:rhel_aus:8.4::appstream\", \"cpe:/a:redhat:rhel_tus:8.4::appstream\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 8.4 Telecommunications Update Service\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"0:1.11.0-8.el8_4.12\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"tigervnc\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_e4s:8.4::appstream\", \"cpe:/a:redhat:rhel_aus:8.4::appstream\", \"cpe:/a:redhat:rhel_tus:8.4::appstream\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"0:1.11.0-8.el8_4.12\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"tigervnc\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_tus:8.6::appstream\", \"cpe:/a:redhat:rhel_aus:8.6::appstream\", \"cpe:/a:redhat:rhel_e4s:8.6::appstream\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"0:1.12.0-6.el8_6.13\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"tigervnc\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_tus:8.6::appstream\", \"cpe:/a:redhat:rhel_aus:8.6::appstream\", \"cpe:/a:redhat:rhel_e4s:8.6::appstream\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 8.6 Telecommunications Update Service\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"0:1.12.0-6.el8_6.13\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"tigervnc\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_tus:8.6::appstream\", \"cpe:/a:redhat:rhel_aus:8.6::appstream\", \"cpe:/a:redhat:rhel_e4s:8.6::appstream\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"0:1.12.0-6.el8_6.13\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"tigervnc\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_eus:8.8::appstream\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 8.8 Extended Update Support\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"0:1.12.0-15.el8_8.12\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"tigervnc\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:enterprise_linux:9::appstream\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 9\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"0:1.14.1-1.el9_5.1\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"tigervnc\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:enterprise_linux:9::crb\", \"cpe:/a:redhat:enterprise_linux:9::appstream\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 9\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"0:1.20.11-28.el9_6\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"xorg-x11-server\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:enterprise_linux:9::crb\", \"cpe:/a:redhat:enterprise_linux:9::appstream\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 9\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"0:23.2.7-3.el9_6\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"xorg-x11-server-Xwayland\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_e4s:9.0::appstream\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"0:1.11.0-22.el9_0.13\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"tigervnc\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_eus:9.2::appstream\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 9.2 Extended Update Support\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"0:1.12.0-14.el9_2.10\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"tigervnc\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/a:redhat:rhel_eus:9.4::appstream\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 9.4 Extended Update Support\", \"versions\": [{\"status\": \"unaffected\", \"version\": \"0:1.13.1-8.el9_4.5\", \"lessThan\": \"*\", \"versionType\": \"rpm\"}], \"packageName\": \"tigervnc\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux:6\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 6\", \"packageName\": \"tigervnc\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"affected\"}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux:6\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 6\", \"packageName\": \"xorg-x11-server\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"unknown\"}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux:8\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 8\", \"packageName\": \"xorg-x11-server\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"unaffected\"}, {\"cpes\": [\"cpe:/o:redhat:enterprise_linux:8\"], \"vendor\": \"Red Hat\", \"product\": \"Red Hat Enterprise Linux 8\", \"packageName\": \"xorg-x11-server-Xwayland\", \"collectionURL\": \"https://access.redhat.com/downloads/content/package-browser/\", \"defaultStatus\": \"unaffected\"}], \"timeline\": [{\"lang\": \"en\", \"time\": \"2025-02-12T14:15:01.367000+00:00\", \"value\": \"Reported to Red Hat.\"}, {\"lang\": \"en\", \"time\": \"2025-02-25T00:00:00+00:00\", \"value\": \"Made public.\"}], \"datePublic\": \"2025-02-25T00:00:00.000Z\", \"references\": [{\"url\": \"https://access.redhat.com/errata/RHSA-2025:2500\", \"name\": \"RHSA-2025:2500\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2025:2502\", \"name\": \"RHSA-2025:2502\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2025:2861\", \"name\": \"RHSA-2025:2861\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2025:2862\", \"name\": \"RHSA-2025:2862\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2025:2865\", \"name\": \"RHSA-2025:2865\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2025:2866\", \"name\": \"RHSA-2025:2866\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2025:2873\", \"name\": \"RHSA-2025:2873\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2025:2874\", \"name\": \"RHSA-2025:2874\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2025:2875\", \"name\": \"RHSA-2025:2875\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2025:2879\", \"name\": \"RHSA-2025:2879\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2025:2880\", \"name\": \"RHSA-2025:2880\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2025:7163\", \"name\": \"RHSA-2025:7163\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2025:7165\", \"name\": \"RHSA-2025:7165\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/errata/RHSA-2025:7458\", \"name\": \"RHSA-2025:7458\", \"tags\": [\"vendor-advisory\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://access.redhat.com/security/cve/CVE-2025-26596\", \"tags\": [\"vdb-entry\", \"x_refsource_REDHAT\"]}, {\"url\": \"https://bugzilla.redhat.com/show_bug.cgi?id=2345256\", \"name\": \"RHBZ#2345256\", \"tags\": [\"issue-tracking\", \"x_refsource_REDHAT\"]}], \"workarounds\": [{\"lang\": \"en\", \"value\": \"Mitigation for this issue is either not available or the currently available options don\u0027t meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.\"}], \"descriptions\": [{\"lang\": \"en\", \"value\": \"A heap overflow flaw was found in X.Org and Xwayland. The computation of the length in XkbSizeKeySyms() differs from what is written in XkbWriteKeySyms(), which may lead to a heap-based buffer overflow.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-787\", \"description\": \"Out-of-bounds Write\"}]}], \"providerMetadata\": {\"orgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"shortName\": \"redhat\", \"dateUpdated\": \"2025-07-29T00:19:23.477Z\"}, \"x_redhatCweChain\": \"CWE-787: Out-of-bounds Write\"}}",
      "cveMetadata": "{\"cveId\": \"CVE-2025-26596\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-07-29T00:19:23.477Z\", \"dateReserved\": \"2025-02-12T14:12:22.795Z\", \"assignerOrgId\": \"53f830b8-0a3f-465b-8143-3b8a9948e749\", \"datePublished\": \"2025-02-25T15:54:23.693Z\", \"assignerShortName\": \"redhat\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.