Out-of-bounds Read Affecting ffmpeg package, versions <7:2.8.17-0ubuntu0.1+esm1


Severity

Recommended
low

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.39% (60th 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-UBUNTU1604-FFMPEG-1655858
  • published12 Jul 2025
  • disclosed20 Sept 2021

Introduced: 20 Sep 2021

CVE-2020-20902  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

Upgrade Ubuntu:16.04 ffmpeg to version 7:2.8.17-0ubuntu0.1+esm1 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 Ubuntu. See How to fix? for Ubuntu:16.04 relevant fixed versions and status.

A CWE-125: Out-of-bounds read vulnerability exists in long_term_filter function in g729postfilter.c in FFmpeg 4.2.1 during computation of the denominator of pseudo-normalized correlation R'(0), that could result in disclosure of information.

CVSS Base Scores

version 3.1