Vulnerability · Published May 27, 2021 · Assigned by mitre
CVE-2020-22027
High 8.8
In plain English
A high-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)8.8High
Exploit odds (30 days)1.5%top 25.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A heap-based Buffer Overflow vulnerability exits in FFmpeg 4.2 in deflate16 at libavfilter/vf_neighbor.c, which might lead to memory corruption and other potential consequences.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | ffmpeg | 7:4.3-2 | DEBIAN-CVE-2020-22027 |
| Debian:13 | ffmpeg | 7:4.3-2 | DEBIAN-CVE-2020-22027 |
| Debian:14 | ffmpeg | 7:4.3-2 | DEBIAN-CVE-2020-22027 |
| 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/8242 x_refsource_MISC
- https://trac.ffmpeg.org/attachment/ticket/8242/gdb-vf_neighbor_191 x_refsource_MISC
- DSA-4990 vendor-advisory, x_refsource_DEBIAN