DEBIAN-CVE-2020-20902

DEBIAN-CVE-2020-20902 PUBLISHED CVSS 6.5 MEDIUM

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.

Risk Scores

CVSS 3.1

6.5

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Affected Products

Vendor	Product	Versions
Debian:13	ffmpeg	0, 0, 0
Debian:11	ffmpeg	0, 0, 0
Debian:12	ffmpeg	0, 0, 0
Debian:14	ffmpeg	0, 0, 0

Timeline

Sep 20, 2021 CVE Published
Apr 28, 2026 CVE Updated

References

https://security-tracker.debian.org/tracker/CVE-2020-20902 advisory

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