| Name | CVE-2023-46407 |
| Description | FFmpeg prior to commit bf814 was discovered to contain an out of bounds read via the dist->alphabet_size variable in the read_vlc_prefix() function. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, 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) | stretch (security) | 7:3.2.18-0+deb9u1 | fixed |
| stretch (lts), stretch | 7:3.2.19-0+deb9u5 | fixed |
| buster, buster (lts) | 7:4.1.11-0+deb10u2 | fixed |
| buster (security) | 7:4.1.11-0+deb10u1 | fixed |
| bullseye | 7:4.3.7-0+deb11u1 | fixed |
| bullseye (security) | 7:4.3.8-0+deb11u1 | fixed |
| bookworm (security), bookworm | 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 | (unstable) | (not affected) | | | |
Notes
- ffmpeg <not-affected> (Vulnerable code introduced later)
Introduced by: https://github.com/FFmpeg/FFmpeg/commit/f7ac3512f5b5cb8eb149f37300b43461d8e93af3
Fixed by: https://github.com/FFmpeg/FFmpeg/commit/bf814387f42e9b0dea9d75c03db4723c88e7d962
https://patchwork.ffmpeg.org/project/ffmpeg/patch/20231015004924.597746-1-leo.izen%40gmail.com/
https://patchwork.ffmpeg.org/project/ffmpeg/patch/20231013014959.536776-1-leo.izen%40gmail.com/