Vulnerability · Published May 27, 2021 · Assigned by mitre
CVE-2020-22031
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 1.7% (higher than 77% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)8.8High
Exploit odds (30 days)1.7%top 22.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
A Heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 at libavfilter/vf_w3fdif.c in filter16_complex_low, 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-2020-22031 |
| Debian:13 | ffmpeg | 7:4.3-2 | DEBIAN-CVE-2020-22031 |
| Debian:14 | ffmpeg | 7:4.3-2 | DEBIAN-CVE-2020-22031 |
| 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/8243 x_refsource_MISC
- https://trac.ffmpeg.org/attachment/ticket/8243/gdb-vf_w3fdif_191 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