| Name | CVE-2013-7020 |
| Description | The read_header function in libavcodec/ffv1dec.c in FFmpeg before 2.1 does not properly enforce certain bit-count and colorspace constraints, which allows remote attackers to cause a denial of service (out-of-bounds array access) or possibly have unspecified other impact via crafted FFV1 data. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| References | DSA-3027-1 |
Vulnerable and fixed packages
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 | squeeze | (unfixed) | end-of-life | | |
| ffmpeg | source | (unstable) | 7:2.4.1-1 | | | |
| libav | source | wheezy | 6:0.8.16-1 | | DSA-3027-1 | |
| libav | source | (unstable) | 6:10.4-1 | | | |
Notes
[squeeze] - ffmpeg <end-of-life> (Backports to 0.5.x not useful, too many checks missing)
https://github.com/FFmpeg/FFmpeg/commit/b05cd1ea7e45a836f7f6071a716c38bb30326e0f