CVE-2025-9951 Affecting ffmpeg package, versions <7:7.1.2-1


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.4% (33rd percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-FFMPEG-12566463
  • published10 Sept 2025
  • disclosed9 Sept 2025

Introduced: 9 Sep 2025

CVE-2025-9951  (opens in a new tab)

How to fix?

Upgrade Debian:unstable ffmpeg to version 7:7.1.2-1 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 Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

A heap-buffer-overflow write exists in jpeg2000dec FFmpeg which allows an attacker to potentially gain remote code execution or cause denial of service via the channel definition cdef atom of JPEG2000.

CVSS Base Scores

version 3.1