CVE-2026-40962 MEDIUM

CVE-2026-40962

Vendor Ffmpeg
Product FFmpeg
Weakness CWE-190
Published April 16, 2026
Last update April 16, 2026
View on NVD All CVEs

CVSS base score

4.9/10
Attack vector Local
Attack complexity High
Privileges required None
User interaction None
Confidentiality Low
Integrity Low

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

April 16, 2026 CVE published
April 16, 2026 Record updated