CVE-2020-20902

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CVSS 3.1

6.5 medium

EPSS

1%p66

Published

Sep 20, 2021 (Sep 20, 2021)

Modified

Jun 17, 2026

Description

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.

Vendors: ffmpeg
Products: ffmpeg
Weakness: CWE-125
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

NVD CVE.org GitHub PoCs EPSS (1.2%)

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