| Name | CVE-2020-22056 |
| Description | A Denial of Service vulnerability exists in FFmpeg 4.2 due to a memory leak in the config_input function in af_acrossover.c. |
| Source | CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| ffmpeg (PTS) | bullseye | 7:4.3.7-0+deb11u1 | fixed |
| bullseye (security) | 7:4.3.9-0+deb11u1 | fixed |
| bookworm, bookworm (security) | 7:5.1.7-0+deb12u1 | fixed |
| trixie | 7:7.1.1-1 | fixed |
| trixie (security) | 7:7.1.2-0+deb13u1 | fixed |
| forky, sid | 7:7.1.2-1 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| ffmpeg | source | stretch | (not affected) | | | |
| ffmpeg | source | (unstable) | 7:4.3-2 | unimportant | | |
Notes
[stretch] - ffmpeg <not-affected> (vulnerable code is not present)
https://trac.ffmpeg.org/ticket/8304
https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=daf2bef98ded7f8431fd04bf3324669329a923c1
Negligible security impact