Divide By Zero Affecting ffmpeg package, versions <7:4.3-2


Severity

Recommended
0.0
medium
0
10

Snyk's Security Team recommends NVD's CVSS assessment. Learn more

Threat Intelligence

EPSS
0.91% (56th 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-18234638
  • published23 Jul 2026
  • disclosed25 May 2021

Introduced: 25 May 2021

CVE-2020-20448  (opens in a new tab)
CWE-369  (opens in a new tab)

How to fix?

Upgrade Echo:latest ffmpeg to version 7:4.3-2 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.

FFmpeg 4.1.3 is affected by a Divide By Zero issue via libavcodec/ratecontrol.c, which allows a remote malicious user to cause a Denial of Service.

CVSS Base Scores

version 3.1