Bug 2458944 - CVE-2026-40962 ffmpeg: FFmpeg: Integer overflow and out-of-bounds write via CENC subsample data [fedora-all]
Summary: CVE-2026-40962 ffmpeg: FFmpeg: Integer overflow and out-of-bounds write via C...
Keywords:
Status: CLOSED ERRATA
Alias: None
Product: Fedora
Classification: Fedora
Component: ffmpeg
Version: rawhide
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: ---
Assignee: Multimedia SIG
QA Contact:
URL:
Whiteboard: {"flaws": ["a2a860f5-d40d-47fa-80bf-e...
Depends On:
Blocks: CVE-2026-40962
TreeView+ depends on / blocked
 
Reported: 2026-04-16 14:19 UTC by Sandipan Roy
Modified: 2026-05-21 20:28 UTC (History)
5 users (show)

Fixed In Version: ffmpeg-8.1.1-1.fc44,ffmpeg-8.1.1-1.fc45,ffmpeg-7.1.4-1.fc43,ffmpeg-7.1.4-1.fc42
Clone Of:
Environment:
Last Closed: 2026-05-21 20:28:29 UTC
Type: ---
Embargoed:

Attachments (Terms of Use)

Description Sandipan Roy 2026-04-16 14:19:16 UTC 
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
Comment 1 Dominik 'Rathann' Mierzejewski 2026-05-21 20:28:29 UTC 
This is fixed in 8.1: https://github.com/FFmpeg/FFmpeg/commit/e392fb8c9c3949d975531d2b23c645d2465a7ebc 
and in 7.1.4: https://github.com/FFmpeg/FFmpeg/commit/78c944bdb170d8dcece166115d92b45379b040f4
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