Buffer Overflow Affecting ffmpeg package, versions <7:4.2.7-0ubuntu0.1
Threat Intelligence
EPSS
0.43% (75th
percentile)
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Test your applications- Snyk ID SNYK-UBUNTU2004-FFMPEG-1297494
- published 1 Dec 2021
- disclosed 26 May 2021
Introduced: 26 May 2021
CVE-2020-22020 Open this link in a new tabHow to fix?
Upgrade Ubuntu:20.04 ffmpeg to version 7:4.2.7-0ubuntu0.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream ffmpeg package and not the ffmpeg package as distributed by Ubuntu.
See How to fix? for Ubuntu:20.04 relevant fixed versions and status.
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
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2020-22020
- https://www.debian.org/security/2021/dsa-4990
- http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=ce5274c1385d55892a692998923802023526b765
- https://trac.ffmpeg.org/ticket/8239
- https://lists.debian.org/debian-lts-announce/2021/08/msg00018.html
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commitdiff%3Bh=ce5274c1385d55892a692998923802023526b765
CVSS Scores
version 3.1