rhsa-2025:7690
Vulnerability from csaf_redhat
Published
2025-05-15 16:07
Modified
2025-08-03 11:46
Summary
Red Hat Security Advisory: thunderbird security update

Notes

Topic
An update for thunderbird is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.6 Telecommunications Update Service. 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: Privilege escalation in Firefox Updater (CVE-2025-2817) * firefox: thunderbird: Unsafe attribute access during XPath parsing (CVE-2025-4087) * firefox: thunderbird: Process isolation bypass using "javascript:" URI links in cross-origin frames (CVE-2025-4083) * firefox: thunderbird: Memory safety bugs fixed in Firefox 138, Thunderbird 138, Firefox ESR 128.10, and Thunderbird 128.10 (CVE-2025-4091) * firefox: thunderbird: Memory safety bug fixed in Firefox ESR 128.10 and Thunderbird 128.10 (CVE-2025-4093) 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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          "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-4091"
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          "url": "https://www.mozilla.org/security/advisories/mfsa2025-29/"
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          "category": "external",
          "summary": "https://www.mozilla.org/security/advisories/mfsa2025-31/",
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      "threats": [
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          "details": "Moderate"
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      "title": "firefox: thunderbird: Memory safety bugs fixed in Firefox 138, Thunderbird 138, Firefox ESR 128.10, and Thunderbird 128.10"
    },
    {
      "cve": "CVE-2025-4093",
      "cwe": {
        "id": "CWE-120",
        "name": "Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)"
      },
      "discovery_date": "2025-04-29T14:01:25.169191+00:00",
      "ids": [
        {
          "system_name": "Red Hat Bugzilla ID",
          "text": "2362915"
        }
      ],
      "notes": [
        {
          "category": "description",
          "text": "Memory safety bug present in Firefox ESR 128.9, and Thunderbird 128.9. This bug showed evidence of memory corruption and we presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR \u003c 128.10 and Thunderbird \u003c 128.10.",
          "title": "Vulnerability description"
        },
        {
          "category": "summary",
          "text": "firefox: thunderbird: Memory safety bug fixed in Firefox ESR 128.10 and Thunderbird 128.10",
          "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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      "title": "firefox: thunderbird: Memory safety bug fixed in Firefox ESR 128.10 and Thunderbird 128.10"
    }
  ]
}


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