| Name | CVE-2011-3941 |
| Description | The decode_mb function in libavcodec/error_resilience.c in FFmpeg before 0.10 allows remote attackers to have an unspecified impact via vectors related to an uninitialized block index, which triggers an out-of-bounds write. |
| 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) | 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 | 7:6.1.1-4 | 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 | (unstable) | 4:0.8.1-1 | | | |
Notes
[squeeze] - ffmpeg <end-of-life> (Backports to 0.5.x not useful, too many checks missing)
Fix in libav: http://git.libav.org/?p=libav.git;a=commit;h=6193ff68549ecbaf1a4d63a0e06964ec580ac620