Bug 2458862 (CVE-2026-40962) - CVE-2026-40962 FFmpeg: FFmpeg: Integer overflow and out-of-bounds write via CENC subsample data
Summary: CVE-2026-40962 FFmpeg: FFmpeg: Integer overflow and out-of-bounds write via C...
Keywords:
Status: NEW
Alias: CVE-2026-40962
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: 2458944 2458945
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-04-16 02:01 UTC by OSIDB Bzimport
Modified: 2026-04-16 14:19 UTC (History)
11 users (show)

Fixed In Version:
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Description OSIDB Bzimport 2026-04-16 02:01:49 UTC 
FFmpeg before 8.1 has an integer overflow and resultant out-of-bounds write via CENC (Common Encryption) subsample data to libavformat/mov.c.
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