ALSA-2025:16108

Vulnerability from osv_almalinux – Published: 2025-09-17 00:00 – Updated: 2025-09-29 08:52 – Source website
VLAI
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.

References
To clipboard 

{
  "affected": [
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "firefox"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "140.3.0-1.el9_6.alma.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "AlmaLinux:9",
        "name": "firefox-x11"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "140.3.0-1.el9_6.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-2025:16108",
  "modified": "2025-09-29T08:52:33Z",
  "published": "2025-09-17T00:00:00Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://access.redhat.com/errata/RHSA-2025:16108"
    },
    {
      "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/9/ALSA-2025-16108.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"
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.




Drag nodes to arrange them. Double-click a related vulnerability to open it, or a source to visit its link. The Physics button on the left tunes the layout and the simulation; the legend at the bottom left hides or shows nodes by kind and by sighting type.

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • 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.
Vulnerability timeline

Sightings and recorded dates, grouped by day · UTC

JSON

Loading timeline…




    Related by attack behaviour

    Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.