FFmpeg before 8.1 has an integer overflow and resultant out-of-bounds write via CENC (Common Encryption) subsample data to libavformat/mov.c.
History

Thu, 16 Apr 2026 13:15:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Thu, 16 Apr 2026 01:45:00 +0000

Type Values Removed Values Added
Description FFmpeg before 8.1 has an integer overflow and resultant out-of-bounds write via CENC (Common Encryption) subsample data to libavformat/mov.c.
First Time appeared Ffmpeg
Ffmpeg ffmpeg
Weaknesses CWE-190
CPEs cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:*
Vendors & Products Ffmpeg
Ffmpeg ffmpeg
References
Metrics cvssV3_1

{'score': 4.9, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L'}


cve-icon MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2026-04-16T01:33:37.018Z

Updated: 2026-04-16T12:31:48.767Z

Reserved: 2026-04-16T01:33:36.641Z

Link: CVE-2026-40962

cve-icon Vulnrichment

Updated: 2026-04-16T12:20:14.391Z

cve-icon NVD

Status : Received

Published: 2026-04-16T02:16:12.227

Modified: 2026-04-16T02:16:12.227

Link: CVE-2026-40962

cve-icon Redhat

No data.