CVE-2026-8461 Affecting ffmpeg package, versions <7:4.2.7-0ubuntu0.1+esm17


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

Exploit Maturity
Proof of Concept
EPSS
1.57% (74th percentile)

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  • Snyk IDSNYK-UBUNTU2004-FFMPEG-17376584
  • published14 Sept 2026
  • disclosed18 Jun 2026

Introduced: 18 Jun 2026

CVE-2026-8461  (opens in a new tab)

How to fix?

Upgrade Ubuntu:20.04 ffmpeg to version 7:4.2.7-0ubuntu0.1+esm17 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ffmpeg package and not the ffmpeg package as distributed by Ubuntu. See How to fix? for Ubuntu:20.04 relevant fixed versions and status.

An out-of-bounds write vulnerability in FFmpeg's libavcodec library, specifically in the MagicYUV decoder, allows denial-of-service and, in some cases, can be exploited for remote code execution.

This vulnerability is associated with the file libavcodec/magicyuv.C.

This issue affects FFmpeg before version 8.1.2.

CVSS Base Scores

version 3.1