rhsa-2025:10875
Vulnerability from csaf_redhat
Published
2025-07-17 16:43
Modified
2025-08-12 08:36
Summary
Red Hat Security Advisory: OpenJDK 21.0.8 Security Update for Windows Builds

Notes

Topic
An update is now available for OpenJDK. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.
Details
The OpenJDK 21 packages provide the OpenJDK 21 Java Runtime Environment and the OpenJDK 21 Java Software Development Kit. This release of the Red Hat build of OpenJDK 21 (21.0.8) for Windows serves as a replacement for the Red Hat build of OpenJDK 21 (21.0.7) and includes security and bug fixes. For further information, refer to the release notes linked to in the References section. Security Fix(es): * JDK: Better Glyph drawing (CVE-2025-30749) * JDK: Enhance TLS protocol support (CVE-2025-30754) * JDK: Improve HTTP client header handling (CVE-2025-50059) * JDK: Better Glyph drawing redux (CVE-2025-50106) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.


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        "title": "Topic"
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        "text": "The OpenJDK 21 packages provide the OpenJDK 21 Java Runtime Environment and the OpenJDK 21 Java Software Development Kit.\n\nThis release of the Red Hat build of OpenJDK 21 (21.0.8) for Windows serves as a replacement for the Red Hat build of OpenJDK 21 (21.0.7) and includes security and bug fixes. For further information, refer to the release notes linked to in the References section.\n\nSecurity Fix(es):\n\n* JDK: Better Glyph drawing (CVE-2025-30749)\n* JDK: Enhance TLS protocol support (CVE-2025-30754)\n* JDK: Improve HTTP client header handling (CVE-2025-50059)\n* JDK: Better Glyph drawing redux (CVE-2025-50106)\n\nFor more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.",
        "title": "Details"
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    "tracking": {
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      },
      "discovery_date": "2025-07-07T10:35:26.542000+00:00",
      "ids": [
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          "text": "2376783"
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      "notes": [
        {
          "category": "description",
          "text": "Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: 2D).  Supported versions that are affected are Oracle Java SE: 8u451, 8u451-perf, 11.0.27, 17.0.15, 21.0.7, 24.0.1; Oracle GraalVM for JDK: 17.0.15, 21.0.7 and  24.0.1; Oracle GraalVM Enterprise Edition: 21.3.14. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition.  Successful attacks of this vulnerability can result in takeover of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Note: This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. This vulnerability does not apply to Java deployments, typically in servers, that load and run only trusted code (e.g., code installed by an administrator). CVSS 3.1 Base Score 8.1 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "openjdk: Better Glyph drawing (Oracle CPU 2025-07)",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
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      "references": [
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          "summary": "Canonical URL",
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          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2376783"
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          "summary": "https://www.cve.org/CVERecord?id=CVE-2025-30749",
          "url": "https://www.cve.org/CVERecord?id=CVE-2025-30749"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-30749",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-30749"
        },
        {
          "category": "external",
          "summary": "https://www.oracle.com/security-alerts/cpujul2025.html#AppendixJAVA",
          "url": "https://www.oracle.com/security-alerts/cpujul2025.html#AppendixJAVA"
        }
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          "details": "Before applying this update, make sure all previously released errata relevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
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          "url": "https://access.redhat.com/errata/RHSA-2025:10875"
        }
      ],
      "scores": [
        {
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            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
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            "version": "3.1"
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      "threats": [
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          "details": "Important"
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      "title": "openjdk: Better Glyph drawing (Oracle CPU 2025-07)"
    },
    {
      "cve": "CVE-2025-30754",
      "cwe": {
        "id": "CWE-325",
        "name": "Missing Cryptographic Step"
      },
      "discovery_date": "2025-07-07T10:43:37.755000+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2376784"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: JSSE).  Supported versions that are affected are Oracle Java SE: 8u451, 8u451-perf, 11.0.27, 17.0.15, 21.0.7, 24.0.1; Oracle GraalVM for JDK: 17.0.15, 21.0.7 and  24.0.1; Oracle GraalVM Enterprise Edition: 21.3.14. Difficult to exploit vulnerability allows unauthenticated attacker with network access via TLS to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition.  Successful attacks of this vulnerability can result in  unauthorized update, insert or delete access to some of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data as well as  unauthorized read access to a subset of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. Note: This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. This vulnerability does not apply to Java deployments, typically in servers, that load and run only trusted code (e.g., code installed by an administrator). CVSS 3.1 Base Score 4.8 (Confidentiality and Integrity impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N).",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "openjdk: Enhance TLS protocol support (Oracle CPU 2025-07)",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
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          "summary": "RHBZ#2376784",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2376784"
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          "summary": "https://www.cve.org/CVERecord?id=CVE-2025-30754",
          "url": "https://www.cve.org/CVERecord?id=CVE-2025-30754"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-30754",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-30754"
        },
        {
          "category": "external",
          "summary": "https://www.oracle.com/security-alerts/cpujul2025.html#AppendixJAVA",
          "url": "https://www.oracle.com/security-alerts/cpujul2025.html#AppendixJAVA"
        }
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      "release_date": "2025-07-15T20:00:00+00:00",
      "remediations": [
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          "date": "2025-07-17T16:43:38+00:00",
          "details": "Before applying this update, make sure all previously released errata relevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
            "Red Hat Build of OpenJDK 21.0.8"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2025:10875"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 4.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N",
            "version": "3.1"
          },
          "products": [
            "Red Hat Build of OpenJDK 21.0.8"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        }
      ],
      "title": "openjdk: Enhance TLS protocol support (Oracle CPU 2025-07)"
    },
    {
      "cve": "CVE-2025-50059",
      "cwe": {
        "id": "CWE-201",
        "name": "Insertion of Sensitive Information Into Sent Data"
      },
      "discovery_date": "2025-07-07T10:48:25.047000+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2376785"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: Networking).  Supported versions that are affected are Oracle Java SE: 8u451-perf, 11.0.27, 17.0.15, 21.0.7, 24.0.1; Oracle GraalVM for JDK: 17.0.15, 21.0.7 and  24.0.1; Oracle GraalVM Enterprise Edition: 21.3.14. Easily exploitable vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition.  While the vulnerability is in Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition, attacks may significantly impact additional products (scope change).  Successful attacks of this vulnerability can result in  unauthorized access to critical data or complete access to all Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition accessible data. Note: This vulnerability applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. This vulnerability does not apply to Java deployments, typically in servers, that load and run only trusted code (e.g., code installed by an administrator). CVSS 3.1 Base Score 8.6 (Confidentiality impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N).",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "openjdk: Improve HTTP client header handling (Oracle CPU 2025-07)",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
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        ]
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          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2025-50059"
        },
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          "summary": "RHBZ#2376785",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2376785"
        },
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          "summary": "https://www.cve.org/CVERecord?id=CVE-2025-50059",
          "url": "https://www.cve.org/CVERecord?id=CVE-2025-50059"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-50059",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-50059"
        },
        {
          "category": "external",
          "summary": "https://www.oracle.com/security-alerts/cpujul2025.html#AppendixJAVA",
          "url": "https://www.oracle.com/security-alerts/cpujul2025.html#AppendixJAVA"
        }
      ],
      "release_date": "2025-07-15T20:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2025-07-17T16:43:38+00:00",
          "details": "Before applying this update, make sure all previously released errata relevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
            "Red Hat Build of OpenJDK 21.0.8"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2025:10875"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 8.6,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N",
            "version": "3.1"
          },
          "products": [
            "Red Hat Build of OpenJDK 21.0.8"
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        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "openjdk: Improve HTTP client header handling (Oracle CPU 2025-07)"
    },
    {
      "cve": "CVE-2025-50106",
      "cwe": {
        "id": "CWE-122",
        "name": "Heap-based Buffer Overflow"
      },
      "discovery_date": "2025-07-09T15:41:11.313000+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2379031"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "Vulnerability in the Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition product of Oracle Java SE (component: 2D).  Supported versions that are affected are Oracle Java SE: 8u451, 8u451-perf, 11.0.27, 17.0.15, 21.0.7, 24.0.1; Oracle GraalVM for JDK: 17.0.15, 21.0.7 and  24.0.1; Oracle GraalVM Enterprise Edition: 21.3.14. Difficult to exploit vulnerability allows unauthenticated attacker with network access via multiple protocols to compromise Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition.  Successful attacks of this vulnerability can result in takeover of Oracle Java SE, Oracle GraalVM for JDK, Oracle GraalVM Enterprise Edition. Note: This vulnerability can be exploited by using APIs in the specified Component, e.g., through a web service which supplies data to the APIs. This vulnerability also applies to Java deployments, typically in clients running sandboxed Java Web Start applications or sandboxed Java applets, that load and run untrusted code (e.g., code that comes from the internet) and rely on the Java sandbox for security. CVSS 3.1 Base Score 8.1 (Confidentiality, Integrity and Availability impacts).  CVSS Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H).",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "openjdk: Glyph out-of-memory access and crash (Oracle CPU 2025-07)",
          "title": "Vulnerability summary"
        },
        {
          "category": "general",
          "text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
          "title": "CVSS score applicability"
        }
      ],
      "product_status": {
        "fixed": [
          "Red Hat Build of OpenJDK 21.0.8"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2025-50106"
        },
        {
          "category": "external",
          "summary": "RHBZ#2379031",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2379031"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2025-50106",
          "url": "https://www.cve.org/CVERecord?id=CVE-2025-50106"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-50106",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-50106"
        },
        {
          "category": "external",
          "summary": "https://www.oracle.com/security-alerts/cpujul2025.html#AppendixJAVA",
          "url": "https://www.oracle.com/security-alerts/cpujul2025.html#AppendixJAVA"
        }
      ],
      "release_date": "2025-07-15T20:00:00+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2025-07-17T16:43:38+00:00",
          "details": "Before applying this update, make sure all previously released errata relevant to your system have been applied.\n\nFor details on how to apply this update, refer to:\n\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
            "Red Hat Build of OpenJDK 21.0.8"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2025:10875"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "Red Hat Build of OpenJDK 21.0.8"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "openjdk: Glyph out-of-memory access and crash (Oracle CPU 2025-07)"
    }
  ]
}


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