All vulnerabilities

Servers and applications

CVE-2020-20902

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.

Severity
Medium 6.5
Published
20 Sept 2021
Last changed
17 Jun 2026
Added to UpHeron
1 Nov 2026
Sources
NVD

Affected software

SoftwareAffected versions
FFmpegServers and applications · cpe:a:ffmpeg:ffmpeg
  • Version 4.2.1

References

  • NVD https://nvd.nist.gov/vuln/detail/CVE-2020-20902
  • CVE.org https://www.cve.org/CVERecord?id=CVE-2020-20902