CVEvulnerability
CVE-2020-22020
6.5 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2021-05-26
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 6.5 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- CVSS 2.0 ([email protected])
- 4.3 MEDIUM — AV:N/AC:M/Au:N/C:N/I:N/A:P
- Weaknesses
- CWE-120
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.
Affected configurations
• ffmpeg ffmpeg 4.2
• debian debian linux 9.0
• debian debian linux 10.0
Related
Weakness · CWE (1)
- CWE-120 Buffer Copy without Checking Size of Input weakness
References
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commitdiff%3Bh=ce5274c1385d55892a692998923802023526b765 git.videolan.org
- https://lists.debian.org/debian-lts-announce/2021/08/msg00018.html Mailing List, Third Party Advisory
- https://trac.ffmpeg.org/ticket/8239 Exploit, Issue Tracking, Vendor Advisory
- https://www.debian.org/security/2021/dsa-4990 Third Party Advisory
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commitdiff%3Bh=ce5274c1385d55892a692998923802023526b765 git.videolan.org
- https://lists.debian.org/debian-lts-announce/2021/08/msg00018.html Mailing List, Third Party Advisory
- https://trac.ffmpeg.org/ticket/8239 Exploit, Issue Tracking, Vendor Advisory
- https://www.debian.org/security/2021/dsa-4990 Third Party Advisory