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ghsa-c52f-45m8-h2r6
Vulnerability from github
Published
2025-02-25 18:31
Modified
2025-05-13 21:30
Severity ?
VLAI Severity ?
Details
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.
{ "affected": [], "aliases": [ "CVE-2025-26596" ], "database_specific": { "cwe_ids": [ "CWE-122", "CWE-787" ], "github_reviewed": false, "github_reviewed_at": null, "nvd_published_at": "2025-02-25T16:15:38Z", "severity": "HIGH" }, "details": "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.", "id": "GHSA-c52f-45m8-h2r6", "modified": "2025-05-13T21:30:28Z", "published": "2025-02-25T18:31:24Z", "references": [ { "type": "ADVISORY", "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-26596" }, { "type": "WEB", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2345256" }, { "type": "WEB", "url": "https://access.redhat.com/security/cve/CVE-2025-26596" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2025:7458" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2025:7165" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2025:7163" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2025:2880" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2025:2879" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2025:2875" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2025:2874" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2025:2873" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2025:2866" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2025:2865" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2025:2862" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2025:2861" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2025:2502" }, { "type": "WEB", "url": "https://access.redhat.com/errata/RHSA-2025:2500" } ], "schema_version": "1.4.0", "severity": [ { "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "type": "CVSS_V3" } ] }
CVE-2025-26596 (GCVE-0-2025-26596)
Vulnerability from cvelistv5
Published
2025-02-25 15:54
Modified
2025-07-29 00:19
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-787 - Out-of-bounds Write
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
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► |
Version: 0 ≤ Version: 22.0.0 ≤ |
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"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" } ] }, { 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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": 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"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" }
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Sightings
Author | Source | Type | Date |
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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.
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