Bug 2562032 (CVE-2026-117900) - CVE-2026-117900 firefox: Use-after-free in the DOM: Editor component
Summary: CVE-2026-117900 firefox: Use-after-free in the DOM: Editor component
Keywords:
Status: NEW
Alias: CVE-2026-117900
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security DevOps Team
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-10-27 14:53 UTC by OSIDB Bzimport
Modified: 2026-10-28 17:07 UTC (History)
5 users (show)

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

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Description OSIDB Bzimport 2026-10-27 14:53:37 UTC 
Use-after-free in the DOM: Editor component. This vulnerability was fixed in Firefox 159, Firefox ESR 115.44, and Firefox ESR 153.6.
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