CVE-2026-40962

4.9 MEDIUM

Published: April 16, 2026 Modified: April 16, 2026

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.

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

0.0 Low Medium High Critical 10.0

Vector String

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

Patch Vendor Advisory Exploit Third Party Advisory

Source: cve@mitre.org

1 reference(s) from NVD

CVSS v3 Score

4.9 / 10.0

Exploitation Status

Not in CISA KEV

CWE-190