| Name | CVE-2014-7933 |
| Description | Use-after-free vulnerability in the matroska_read_seek function in libavformat/matroskadec.c in FFmpeg before 2.5.1, as used in Google Chrome before 40.0.2214.91, allows remote attackers to cause a denial of service or possibly have unspecified other impact via a crafted Matroska file that triggers improper maintenance of tracks 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-3189-1 |
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 |
|---|---|---|---|---|---|---|
| chromium-browser | source | squeeze | (unfixed) | end-of-life | ||
| chromium-browser | source | wheezy | (unfixed) | end-of-life | ||
| chromium-browser | source | (unstable) | 40.0.2214.91-1 | |||
| ffmpeg | source | squeeze | (unfixed) | end-of-life | ||
| ffmpeg | source | (unstable) | 7:2.5.1-1 | |||
| libav | source | wheezy | 6:0.8.17-1 | DSA-3189-1 | ||
| libav | source | (unstable) | 6:11.3-1 |
ffmpeg: https://git.videolan.org/?p=ffmpeg.git;a=commit;h=490a3ebf36821b81f73e34ad3f554cb523dd2682
libav: https://git.libav.org/?p=libav.git;a=commit;h=490a3ebf36821b81f73e34ad3f554cb523dd2682