Bug 2571087 (CVE-2026-124921) - CVE-2026-124921 firefox: thunderbird: Sandbox escape in the Graphics: WebGPU component
Summary: CVE-2026-124921 firefox: thunderbird: Sandbox escape in the Graphics: WebGPU ...
Keywords:
Status: NEW
Alias: CVE-2026-124921
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-11-10 20:39 UTC by OSIDB Bzimport
Modified: 2026-11-11 16:52 UTC (History)
5 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
Embargoed:

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Description OSIDB Bzimport 2026-11-10 20:39:53 UTC 
Sandbox escape in the Graphics: WebGPU component. This vulnerability was fixed in Firefox 160 and Thunderbird 160.
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