Bug 2479867 (CVE-2026-8949) - CVE-2026-8949 firefox: thunderbird: Integer overflow in the Widget: Win32 component
Summary: CVE-2026-8949 firefox: thunderbird: Integer overflow in the Widget: Win32 com...
Keywords:
Status: NEW
Alias: CVE-2026-8949
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On:
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-05-19 14:03 UTC by OSIDB Bzimport
Modified: 2026-06-22 21:45 UTC (History)
7 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
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Description OSIDB Bzimport 2026-05-19 14:03:13 UTC 
Integer overflow in the Widget: Win32 component. This vulnerability was fixed in Firefox 151 and Firefox ESR 140.11.
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