CVE-2025-9951 Affecting ffmpeg package, versions <7:5.1.7-0+deb12u1


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

Social Trends
EPSS
0.4% (33rd percentile)

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  • Snyk IDSNYK-ECHOLATEST-FFMPEG-18234584
  • published23 Jul 2026
  • disclosed9 Sept 2025

Introduced: 9 Sep 2025

CVE-2025-9951  (opens in a new tab)

How to fix?

Upgrade Echo:latest ffmpeg to version 7:5.1.7-0+deb12u1 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 Echo. See How to fix? for Echo:latest 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