Vulnerability · Published May 26, 2021 · Assigned by mitre
CVE-2020-22020
Medium 6.5
In plain English
A medium-severity security flaw in the ffmpeg package (Debian). There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 1.5% (higher than 75% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)1.5%top 25.3% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official 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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | ffmpeg | 7:4.3-2 | DEBIAN-CVE-2020-22020 |
| Debian:13 | ffmpeg | 7:4.3-2 | DEBIAN-CVE-2020-22020 |
| Debian:14 | ffmpeg | 7:4.3-2 | DEBIAN-CVE-2020-22020 |
| Ubuntu:22.04:LTS | ffmpeg | 7:4.4.2-0ubuntu0.22.04.1 | USN-5472-1 |
Affected products (as reported)
References
- https://trac.ffmpeg.org/ticket/8239 x_refsource_MISC
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commitdiff%3Bh=ce5274c1385d55892a692998923802023526b765 x_refsource_MISC
- [debian-lts-announce] 20210815 [SECURITY] [DLA 2742-1] ffmpeg security update mailing-list, x_refsource_MLIST
- DSA-4990 vendor-advisory, x_refsource_DEBIAN