| Name | CVE-2020-13904 |
| Description | FFmpeg 2.8 and 4.2.3 has a use-after-free via a crafted EXTINF duration in an m3u8 file because parse_playlist in libavformat/hls.c frees a pointer, and later that pointer is accessed in av_probe_input_format3 in libavformat/format.c. |
| 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-2291-1, DSA-4722-1 |
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) | 7:4.1.10-0+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+deb9u1 | DLA-2291-1 | ||
| ffmpeg | source | buster | 7:4.1.6-1~deb10u1 | DSA-4722-1 | ||
| ffmpeg | source | (unstable) | 7:4.3.1-1 |
https://patchwork.ffmpeg.org/project/ffmpeg/patch/20200529033905.41926-1-lq@chinaffmpeg.org/
https://github.com/FFmpeg/FFmpeg/commit/9dfb19baeb86a8bb02c53a441682c6e9a6e104cc
https://trac.ffmpeg.org/ticket/8673