Bug 2543173 (CVE-2026-100804) - CVE-2026-100804 firefox: Sandbox escape due to use-after-free in the Preferences: Backend component
Summary: CVE-2026-100804 firefox: Sandbox escape due to use-after-free in the Preferen...
Keywords:
Status: NEW
Alias: CVE-2026-100804
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: 2026-09-29 13:10 UTC by OSIDB Bzimport
Modified: 2026-10-05 16:32 UTC (History)
5 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2026-09-29 13:10:32 UTC 
Sandbox escape due to use-after-free in the Preferences: Backend component. This vulnerability was fixed in Firefox 157.
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