| Name | CVE-2020-20453 |
| Description | FFmpeg 4.2 is affected by a Divide By Zero issue via libavcodec/aaccoder, 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) | buster | 7:4.1.9-0+deb10u1 | fixed |
| buster (security) | 7:4.1.11-0+deb10u1 | fixed | |
| bullseye (security), bullseye | 7:4.3.6-0+deb11u1 | fixed | |
| bookworm, bookworm (security) | 7:5.1.4-0+deb12u1 | fixed | |
| trixie | 7:6.1.1-1 | fixed | |
| sid | 7:6.1.1-3 | 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/8003
Negligible security impact
https://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=a7a7f32c8ad0179a1a85d0a8cff35924e6d90be8