CVE-2023-6601 Affecting ffmpeg package, versions <7:6.1-1


Severity

Recommended
low

Based on default assessment until relevant scores are available.

Threat Intelligence

EPSS
0.41% (34th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-ECHOLATEST-FFMPEG-18234574
  • published23 Jul 2026
  • disclosed6 Jan 2025

Introduced: 6 Jan 2025

CVE-2023-6601  (opens in a new tab)

How to fix?

Upgrade Echo:latest ffmpeg to version 7:6.1-1 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 Echo. See How to fix? for Echo:latest relevant fixed versions and status.

A flaw was found in FFmpeg's HLS demuxer. This vulnerability allows bypassing unsafe file extension checks and triggering arbitrary demuxers via base64-encoded data URIs appended with specific file extensions.

CVSS Base Scores

version 3.1