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Important: firefox security update

Type: advisorySource: OSV1 source record

Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and portability. Security Fix(es): * firefox: thunderbird: Use-after-free in the SVG component (CVE-2026-92024) * firefox: thunderbird: Mitigation bypass in the Remote Settings Client component (CVE-2026-92019) * firefox: thunderbird: Use-after-free in the Networking component (CVE-2026-92026) * firefox: thunderbird: Information disclosure in the Graphics: ImageLib component (CVE-2026-92031) * firefox: thunderbird: Sandbox escape due to invalid pointer in the Graphics component (CVE-2026-92032) * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92010) * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92006) * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92011) * firefox: thunderbird: Use-after-free in the DOM: Streams component (CVE-2026-92027) * firefox: thunderbird: Use-after-free in the DOM: Core & HTML component (CVE-2026-92028) * firefox: thunderbird: Privilege escalation in the WebExtensions component (CVE-2026-92015) * firefox: thunderbird: Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component (CVE-2026-92013) * firefox: thunderbird: Use-after-free in the Disability Access APIs component (CVE-

Announced Group revision 1
Original source ↗

RLSA-2026:71652

Primary source · Revision 1

Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.

Security context

Source reference: osv:RLSA-2026:71652

firefox

Source reference: /affected/0/package/name

Affected versions
Not stated in this record
Fixed versions
0:140.16.0-1.el8_10

Source reference: /affected/0/ranges

Prerequisites
Not stated in this record

Structured affected-version data

Original package identities and version rules from this source.

[
  {
    "ranges": [
      {
        "type": "ECOSYSTEM",
        "events": [
          {
            "introduced": "0"
          },
          {
            "fixed": "0:140.16.0-1.el8_10"
          }
        ],
        "database_specific": {
          "yum_repository": "AppStream"
        }
      }
    ],
    "package": {
      "name": "firefox",
      "purl": "pkg:rpm/rocky-linux/firefox?distro=rocky-linux-8&epoch=0",
      "ecosystem": "Rocky Linux:8"
    },
    "database_specific": {
      "source": "https://storage.googleapis.com/resf-osv-data/RLSA-2026:71652.json"
    }
  }
]

Publisher severity

No explicit severity was provided.

Event
#18434 · Revision 1
Added to Heist Feed
Publisher date
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