Linux · Security advisory · September 21, 2026

ALSA-2026:69461: firefox security update

ALSA-2026:69461, released September 21, 2026, fixes 28 CVEs in firefox (version 140.16.0-1.el10_2). None of them is reported as exploited. Patch Radar priority: Urgent.

Urgent
CVEs closed
28
2 rated Critical
Exploited
0
None reported
Exploitation more likely
0
Vendor assessment
Highest EPSS
0.0036
29th percentile

Priority of the 28 CVEs

Patch now 0 Urgent 2 High 26 Routine 0

Fixed package versions

ProductReleaseFixed in
firefoxalmalinux 10140.16.0-1.el10_2

CVEs this fix closes

PriorityCVETitleImpactCVSSEPSSExploitation
Urgent CVE-2026-92018 Sandbox escape in the DOM: Core & HTML component 9.6 0.0033 None reported
Urgent CVE-2026-92032 Sandbox escape due to invalid pointer in the Graphics component 9.6 0.0032 None reported
High CVE-2026-92005 Use-after-free in the Audio/Video: Web Codecs component 7.5 0.0036 None reported
High CVE-2026-92006 Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component 8.8 0.0033 None reported
High CVE-2026-92022 Use-after-free in the DOM: HTML Parser component 8.8 0.0032 None reported
High CVE-2026-92023 Use-after-free in the XML component 8.8 0.0032 None reported
High CVE-2026-92024 Use-after-free in the SVG component 8.8 0.0032 None reported
High CVE-2026-92025 Use-after-free in the DOM: Navigation component 8.8 0.0032 None reported
High CVE-2026-92027 Use-after-free in the DOM: Streams component 8.8 0.0032 None reported
High CVE-2026-92028 Use-after-free in the DOM: Core & HTML component 8.8 0.0032 None reported
High CVE-2026-92029 Use-after-free in the SVG component 8.8 0.0032 None reported
High CVE-2026-92016 Use-after-free in the Disability Access APIs component 8.8 0.0031 None reported
High CVE-2026-92026 Use-after-free in the Networking component 8.8 0.0031 None reported
High CVE-2026-92019 Mitigation bypass in the Remote Settings Client component 8.1 0.0031 None reported
High CVE-2026-92031 Information disclosure in the Graphics: ImageLib component 7.5 0.0031 None reported
High CVE-2026-92021 Use-after-free in the JavaScript Engine: JIT component 8.8 0.0028 None reported
High CVE-2026-92015 Privilege escalation in the WebExtensions component 8.8 0.0026 None reported
High CVE-2026-92007 Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component 8.8 0.0026 None reported
High CVE-2026-92008 Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component 8.8 0.0026 None reported
High CVE-2026-92009 Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component 8.8 0.0026 None reported
High CVE-2026-92010 Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component 8.8 0.0026 None reported
High CVE-2026-92011 Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component 8.8 0.0026 None reported
High CVE-2026-92012 Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component 8.8 0.0026 None reported
High CVE-2026-92013 Privilege escalation due to incorrect boundary conditions in the Graphics: CanvasWebGL component 8.8 0.0026 None reported
High CVE-2026-92020 Privilege escalation due to incorrect boundary conditions in the Graphics: WebRender component 8.8 0.0026 None reported
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