VulnerabilityModified
CVE-2020-22020
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.
MEDIUM 6.5EPSS 1.52%
Does this matter?
Lower severity and a low EPSS score (1.52%). Track it; it rarely justifies an emergency change on its own.
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.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- EPSS
- 1.52% probability · 73th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- ffmpeg/ffmpeg · debian/debian linux
- Source
- cve@mitre.org
References
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commitdiff%3Bh=ce5274c1385d55892a692998923802023526b765
- https://lists.debian.org/debian-lts-announce/2021/08/msg00018.htmlMailing List, Third Party Advisory
- https://trac.ffmpeg.org/ticket/8239Exploit, Issue Tracking, Vendor Advisory
- https://www.debian.org/security/2021/dsa-4990Third Party Advisory
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commitdiff%3Bh=ce5274c1385d55892a692998923802023526b765
- https://lists.debian.org/debian-lts-announce/2021/08/msg00018.htmlMailing List, Third Party Advisory
- https://trac.ffmpeg.org/ticket/8239Exploit, Issue Tracking, Vendor Advisory
- https://www.debian.org/security/2021/dsa-4990Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.