CVE-2020-22020

MEDIUM

Ffmpeg - Buffer Overflow

Title source: rule
STIX 2.1

Description

Buffer Overflow vulnerability in FFmpeg 4.2 in the build_diff_map function in libavfilter/vf_fieldmatch.c, which could let a remote malicious user cause a Denial of Service.

References (4)

Core 4
Core References
Exploit, Issue Tracking, Vendor Advisory x_refsource_misc
https://trac.ffmpeg.org/ticket/8239
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2021/08/msg00018.html
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2021/dsa-4990

Scores

CVSS v3 6.5
EPSS 0.0233
EPSS Percentile 84.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Details

CWE
CWE-120
Status published
Products (3)
debian/debian_linux 9.0
debian/debian_linux 10.0
ffmpeg/ffmpeg 4.2
Published May 26, 2021
Tracked Since Feb 18, 2026