| Name | CVE-2020-22029 |
| Description | A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 at libavfilter/vf_colorconstancy.c: in slice_get_derivative, which crossfade_samples_fltp, which might lead to memory corruption and other potential consequences. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-4990-1 |
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) | 7:4.3.8-0+deb11u3 | fixed |
| bookworm, bookworm (security) | 7:5.1.6-0+deb12u1 | fixed |
| sid, trixie | 7:7.1.1-1 | 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 | buster | 7:4.1.8-0+deb10u1 | | DSA-4990-1 | |
| ffmpeg | source | (unstable) | 7:4.3-2 | | | |
Notes
[stretch] - ffmpeg <not-affected> (Vulnerable code not present)
https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=a7fd1279703683ebb548ef7baa2f1519994496ae
https://trac.ffmpeg.org/ticket/8250