CVE-2025-25467 Affecting x264 package, versions *


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.66% (48th percentile)

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  • Snyk IDSNYK-UBUNTU2004-X264-8738065
  • published21 Mar 2026
  • disclosed18 Feb 2025

Introduced: 18 Feb 2025

CVE-2025-25467  (opens in a new tab)

How to fix?

There is no fixed version for Ubuntu:20.04 x264.

NVD Description

Note: Versions mentioned in the description apply only to the upstream x264 package and not the x264 package as distributed by Ubuntu. See How to fix? for Ubuntu:20.04 relevant fixed versions and status.

Insufficient tracking and releasing of allocated used memory in libx264 git master allows attackers to execute arbitrary code via creating a crafted AAC file.