| Name | CVE-2020-20446 |
| Description | FFmpeg 4.2 is affected by a Divide By Zero issue via libavcodec/aacpsy.c, which allows a remote malicious user to cause a Denial of Service. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DLA-2818-1, DSA-4990-1, DSA-4998-1 |
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+deb11u1 | fixed | |
| bookworm, bookworm (security) | 7:5.1.6-0+deb12u1 | fixed | |
| sid, trixie | 7:7.1-3 | 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 | 7:3.2.16-1+deb9u1 | DLA-2818-1 | ||
| ffmpeg | source | buster | 7:4.1.8-0+deb10u1 | DSA-4990-1 | ||
| ffmpeg | source | bullseye | 7:4.3.3-0+deb11u1 | DSA-4998-1 | ||
| ffmpeg | source | (unstable) | 7:4.4.1-1 | unimportant |
https://trac.ffmpeg.org/ticket/7995
Negligible security impact
https://git.ffmpeg.org/gitweb/ffmpeg.git/commit/223b5e8ac9f6461bb13ed365419ec485c5b2b002