Out-of-bounds Read The advisory has been revoked - it doesn't affect any version of package ffmpeg  (opens in a new tab)


Threat Intelligence

EPSS
1.17% (64th percentile)

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  • Snyk IDSNYK-UBUNTU1804-FFMPEG-1655852
  • published21 Sept 2021
  • disclosed20 Sept 2021

Introduced: 20 Sep 2021

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

Amendment

The Ubuntu security team deemed this advisory irrelevant for Ubuntu:18.04.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ffmpeg package and not the ffmpeg package as distributed by Ubuntu.

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.