Bug 2523418 - CVE-2026-40962 qt5-qtwebengine: FFmpeg: Integer overflow and out-of-bounds write via CENC subsample data [epel-all]
Summary: CVE-2026-40962 qt5-qtwebengine: FFmpeg: Integer overflow and out-of-bounds wr...
Keywords:
Status: NEW
Alias: None
Product: Fedora EPEL
Classification: Fedora
Component: qt5-qtwebengine
Version: epel10
Hardware: Unspecified
OS: Unspecified
medium
medium
Target Milestone: ---
Assignee: Jan Grulich
QA Contact: Fedora Extras Quality Assurance
URL:
Whiteboard: {"flaws": ["a2a860f5-d40d-47fa-80bf-e...
Depends On:
Blocks: CVE-2026-40962
TreeView+ depends on / blocked
 
Reported: 2026-08-25 12:51 UTC by Sandipan Roy
Modified: 2026-08-25 12:51 UTC (History)
3 users (show)

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

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Description Sandipan Roy 2026-08-25 12:51:12 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.

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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