| Name | CVE-2020-22021 |
| Description | Buffer Overflow vulnerability in FFmpeg 4.2 at filter_edges function in libavfilter/vf_yadif.c, which could let a remote malicious user cause a Denial of Service. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more) |
| References | DLA-2742-1, DSA-4990-1 |
| Debian Bugs | 989439 |
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|---|---|---|
| ffmpeg (PTS) | buster | 7:4.1.9-0+deb10u1 | fixed |
| buster (security) | 7:4.1.10-0+deb10u1 | fixed | |
| bullseye | 7:4.3.5-0+deb11u1 | fixed | |
| bullseye (security) | 7:4.3.6-0+deb11u1 | fixed | |
| bookworm, sid | 7:5.1.3-1 | 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 | 7:3.2.15-0+deb9u3 | DLA-2742-1 | ||
| ffmpeg | source | buster | 7:4.1.8-0+deb10u1 | DSA-4990-1 | ||
| ffmpeg | source | (unstable) | 7:4.3.2-0+deb11u2 | 989439 |
https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=7971f62120a55c141ec437aa3f0bacc1c1a3526b
https://trac.ffmpeg.org/ticket/8240