Vulnerability 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 Score
6.5
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ffmpeg | Ffmpeg | 4.2 |
| Debian | Debian Linux | 9.0 |
Related Weaknesses (CWE)
References
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commitdiff%3Bh=ce5274c1385d55892a69299
- https://lists.debian.org/debian-lts-announce/2021/08/msg00018.htmlMailing ListThird Party Advisory
- https://trac.ffmpeg.org/ticket/8239ExploitIssue TrackingVendor Advisory
- https://www.debian.org/security/2021/dsa-4990Third Party Advisory
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commitdiff%3Bh=ce5274c1385d55892a69299
- https://lists.debian.org/debian-lts-announce/2021/08/msg00018.htmlMailing ListThird Party Advisory
- https://trac.ffmpeg.org/ticket/8239ExploitIssue TrackingVendor Advisory
- https://www.debian.org/security/2021/dsa-4990Third Party Advisory
FAQ
What is CVE-2020-22020?
CVE-2020-22020 is a vulnerability with a CVSS score of 6.5 (MEDIUM). 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.
How severe is CVE-2020-22020?
CVE-2020-22020 has been rated MEDIUM with a CVSS base score of 6.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2020-22020?
Check the references section above for vendor advisories and patch information. Affected products include: Ffmpeg Ffmpeg, Debian Debian Linux.