Bug 2543181 (CVE-2026-100831) - CVE-2026-100831 firefox: Use-after-free in the DOM: UI Events & Focus Handling component
Summary: CVE-2026-100831 firefox: Use-after-free in the DOM: UI Events & Focus Handlin...
Keywords:
Status: NEW
Alias: CVE-2026-100831
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-09-29 13:11 UTC by OSIDB Bzimport
Modified: 2026-10-05 18:10 UTC (History)
5 users (show)

Fixed In Version:
Clone Of:
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Description OSIDB Bzimport 2026-09-29 13:11:33 UTC 
Use-after-free in the DOM: UI Events & Focus Handling component. This vulnerability was fixed in Firefox ESR 153.4 and Firefox 157.
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