alsa-2025:16260
Vulnerability from osv_almalinux
Published
2025-09-22 00:00
Modified
2025-09-25 15:01
Summary
Important: firefox security update
Details

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.

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.

To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "AlmaLinux:8",
        "name": "firefox"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "140.3.0-1.el8_10.alma.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability.  \n\nSecurity Fix(es):  \n\n  * firefox: thunderbird: Sandbox escape due to use-after-free in the Graphics: Canvas2D component (CVE-2025-10527)\n  * firefox: thunderbird: Incorrect boundary conditions in the JavaScript: GC component (CVE-2025-10532)\n  * firefox: thunderbird: Sandbox escape due to undefined behavior, invalid pointer in the Graphics: Canvas2D component (CVE-2025-10528)\n  * firefox: thunderbird: Same-origin policy bypass in the Layout component (CVE-2025-10529)\n  * firefox: thunderbird: Memory safety bugs fixed in Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143 (CVE-2025-10537)\n  * firefox: thunderbird: Information disclosure in the Networking: Cache component (CVE-2025-10536)\n  * firefox: thunderbird: Integer overflow in the SVG component (CVE-2025-10533)\n\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.\n",
  "id": "ALSA-2025:16260",
  "modified": "2025-09-25T15:01:51Z",
  "published": "2025-09-22T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2025:16260"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2025-10527"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2025-10528"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2025-10529"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2025-10532"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2025-10533"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2025-10536"
    },
    {
      "type": "REPORT",
      "url": "https://access.redhat.com/security/cve/CVE-2025-10537"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2395745"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2395754"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2395755"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2395756"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2395759"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2395764"
    },
    {
      "type": "REPORT",
      "url": "https://bugzilla.redhat.com/2395766"
    },
    {
      "type": "ADVISORY",
      "url": "https://errata.almalinux.org/8/ALSA-2025-16260.html"
    }
  ],
  "related": [
    "CVE-2025-10527",
    "CVE-2025-10532",
    "CVE-2025-10528",
    "CVE-2025-10529",
    "CVE-2025-10537",
    "CVE-2025-10536",
    "CVE-2025-10533"
  ],
  "summary": "Important: firefox security update"
}


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  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.