rhsa-2025:16157
Vulnerability from csaf_redhat
Published
2025-09-18 13:10
Modified
2025-09-22 01:29
Summary
Red Hat Security Advisory: thunderbird security update

Notes

Topic
An update for thunderbird is now available for Red Hat Enterprise Linux 10. 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
Mozilla Thunderbird is a standalone mail and newsgroup client. Security Fix(es): * firefox: thunderbird: Sandbox escape due to use-after-free in the Graphics: Canvas2D component (CVE-2025-10527) * firefox: thunderbird: Incorrect boundary conditions in the JavaScript: GC component (CVE-2025-10532) * firefox: thunderbird: Sandbox escape due to undefined behavior, invalid pointer in the Graphics: Canvas2D component (CVE-2025-10528) * firefox: thunderbird: Same-origin policy bypass in the Layout component (CVE-2025-10529) * firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143 (CVE-2025-10537) * firefox: thunderbird: Information disclosure in the Networking: Cache component (CVE-2025-10536) * firefox: thunderbird: Integer overflow in the SVG component (CVE-2025-10533) 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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  "vulnerabilities": [
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      "cwe": {
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        "name": "Use After Free"
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      "discovery_date": "2025-09-16T13:00:51.502937+00:00",
      "ids": [
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          "text": "2395745"
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      "notes": [
        {
          "category": "description",
          "text": "This vulnerability affects Firefox \u003c 143, Firefox ESR \u003c 140.3, Thunderbird \u003c 143, and Thunderbird \u003c 140.3.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "firefox: thunderbird: Sandbox escape due to use-after-free in the Graphics: Canvas2D component",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.",
          "title": "Statement"
        },
        {
          "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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            "AppStream-10.0.Z:thunderbird-debugsource-0:140.3.0-1.el10_0.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Low"
        }
      ],
      "title": "firefox: thunderbird: Information disclosure in the Networking: Cache component"
    },
    {
      "cve": "CVE-2025-10537",
      "discovery_date": "2025-09-16T13:01:50.272312+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2395759"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "Memory safety bugs present in Firefox ESR 140.2, Thunderbird ESR 140.2, Firefox 142 and Thunderbird 142. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability affects Firefox \u003c 143, Firefox ESR \u003c 140.3, Thunderbird \u003c 143, and Thunderbird \u003c 140.3.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143",
          "title": "Vulnerability summary"
        },
        {
          "category": "other",
          "text": "Red Hat Product Security rates the severity of this flaw as determined by the Mozilla Foundation Security Advisory.",
          "title": "Statement"
        },
        {
          "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": [
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          "AppStream-10.0.Z:thunderbird-debuginfo-0:140.3.0-1.el10_0.s390x",
          "AppStream-10.0.Z:thunderbird-debuginfo-0:140.3.0-1.el10_0.x86_64",
          "AppStream-10.0.Z:thunderbird-debugsource-0:140.3.0-1.el10_0.aarch64",
          "AppStream-10.0.Z:thunderbird-debugsource-0:140.3.0-1.el10_0.ppc64le",
          "AppStream-10.0.Z:thunderbird-debugsource-0:140.3.0-1.el10_0.s390x",
          "AppStream-10.0.Z:thunderbird-debugsource-0:140.3.0-1.el10_0.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://access.redhat.com/security/cve/CVE-2025-10537"
        },
        {
          "category": "external",
          "summary": "RHBZ#2395759",
          "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2395759"
        },
        {
          "category": "external",
          "summary": "https://www.cve.org/CVERecord?id=CVE-2025-10537",
          "url": "https://www.cve.org/CVERecord?id=CVE-2025-10537"
        },
        {
          "category": "external",
          "summary": "https://nvd.nist.gov/vuln/detail/CVE-2025-10537",
          "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-10537"
        },
        {
          "category": "external",
          "summary": "https://www.mozilla.org/security/advisories/mfsa2025-75/#CVE-2025-10537",
          "url": "https://www.mozilla.org/security/advisories/mfsa2025-75/#CVE-2025-10537"
        },
        {
          "category": "external",
          "summary": "https://www.mozilla.org/security/advisories/mfsa2025-78/#CVE-2025-10537",
          "url": "https://www.mozilla.org/security/advisories/mfsa2025-78/#CVE-2025-10537"
        }
      ],
      "release_date": "2025-09-16T12:26:37.029000+00:00",
      "remediations": [
        {
          "category": "vendor_fix",
          "date": "2025-09-18T13:10:56+00:00",
          "details": "For details on how to apply this update, which includes the changes described in this advisory, refer to:\n\nhttps://access.redhat.com/articles/11258",
          "product_ids": [
            "AppStream-10.0.Z:thunderbird-0:140.3.0-1.el10_0.aarch64",
            "AppStream-10.0.Z:thunderbird-0:140.3.0-1.el10_0.ppc64le",
            "AppStream-10.0.Z:thunderbird-0:140.3.0-1.el10_0.s390x",
            "AppStream-10.0.Z:thunderbird-0:140.3.0-1.el10_0.src",
            "AppStream-10.0.Z:thunderbird-0:140.3.0-1.el10_0.x86_64",
            "AppStream-10.0.Z:thunderbird-debuginfo-0:140.3.0-1.el10_0.aarch64",
            "AppStream-10.0.Z:thunderbird-debuginfo-0:140.3.0-1.el10_0.ppc64le",
            "AppStream-10.0.Z:thunderbird-debuginfo-0:140.3.0-1.el10_0.s390x",
            "AppStream-10.0.Z:thunderbird-debuginfo-0:140.3.0-1.el10_0.x86_64",
            "AppStream-10.0.Z:thunderbird-debugsource-0:140.3.0-1.el10_0.aarch64",
            "AppStream-10.0.Z:thunderbird-debugsource-0:140.3.0-1.el10_0.ppc64le",
            "AppStream-10.0.Z:thunderbird-debugsource-0:140.3.0-1.el10_0.s390x",
            "AppStream-10.0.Z:thunderbird-debugsource-0:140.3.0-1.el10_0.x86_64"
          ],
          "restart_required": {
            "category": "none"
          },
          "url": "https://access.redhat.com/errata/RHSA-2025:16157"
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.5,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "AppStream-10.0.Z:thunderbird-0:140.3.0-1.el10_0.aarch64",
            "AppStream-10.0.Z:thunderbird-0:140.3.0-1.el10_0.ppc64le",
            "AppStream-10.0.Z:thunderbird-0:140.3.0-1.el10_0.s390x",
            "AppStream-10.0.Z:thunderbird-0:140.3.0-1.el10_0.src",
            "AppStream-10.0.Z:thunderbird-0:140.3.0-1.el10_0.x86_64",
            "AppStream-10.0.Z:thunderbird-debuginfo-0:140.3.0-1.el10_0.aarch64",
            "AppStream-10.0.Z:thunderbird-debuginfo-0:140.3.0-1.el10_0.ppc64le",
            "AppStream-10.0.Z:thunderbird-debuginfo-0:140.3.0-1.el10_0.s390x",
            "AppStream-10.0.Z:thunderbird-debuginfo-0:140.3.0-1.el10_0.x86_64",
            "AppStream-10.0.Z:thunderbird-debugsource-0:140.3.0-1.el10_0.aarch64",
            "AppStream-10.0.Z:thunderbird-debugsource-0:140.3.0-1.el10_0.ppc64le",
            "AppStream-10.0.Z:thunderbird-debugsource-0:140.3.0-1.el10_0.s390x",
            "AppStream-10.0.Z:thunderbird-debugsource-0:140.3.0-1.el10_0.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143"
    }
  ]
}


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