Vulnerability · Published Sep 20, 2021 · Assigned by mitre
CVE-2020-20902
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 1.2% (higher than 68% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)6.5Medium
Exploit odds (30 days)1.2%top 32.4% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A CWE-125: Out-of-bounds read vulnerability exists in long_term_filter function in g729postfilter.c in FFmpeg 4.2.1 during computation of the denominator of pseudo-normalized correlation R'(0), that could result in disclosure of information.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | ffmpeg | 7:4.2.2-1 | DEBIAN-CVE-2020-20902 |
| Debian:13 | ffmpeg | 7:4.2.2-1 | DEBIAN-CVE-2020-20902 |
| Debian:14 | ffmpeg | 7:4.2.2-1 | DEBIAN-CVE-2020-20902 |
Affected products (as reported)
References
- https://trac.ffmpeg.org/ticket/8176 x_refsource_MISC
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commitdiff%3Bh=0c61661a2cbe1b8b284c80ada1c2fdddf4992cad x_refsource_MISC