PT-2026-91989 · Mozilla · Firefox Esr+2
CVSS v3.1
8.8
High
| Vector | AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
Name of the Vulnerable Software and Affected Versions
Firefox versions prior to 156
Firefox ESR versions prior to 153.3
Thunderbird versions prior to 156
Thunderbird versions prior to 153.3
Description
Privilege escalation exists within the Graphics: CanvasWebGL component. CanvasWebGL is a component that allows the browser to render 2D and 3D graphics using the WebGL API.
Recommendations
Update Firefox to version 156.
Update Firefox ESR to version 153.3.
Update Thunderbird to version 156.
Update Thunderbird to version 153.3.
Fix
LPE
Improper Privilege Management
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Weakness Enumeration
Related Identifiers
Affected Products
Firefox
Firefox Esr
Thunderbird