Description
Unspecified vulnerability in the read_var_block_data function in libavcodec/alsdec.c in FFmpeg before 0.11, and Libav 0.7.x before 0.7.7 and 0.8.x before 0.8.4, has unknown impact and attack vectors, related to a large order and an "out of array write in quant_cof."
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | ffmpeg | 7:2.4.1-1 | — |
| Debian 13 | ffmpeg | 7:2.4.1-1 | — |
| Debian 12 | ffmpeg | 7:2.4.1-1 | — |
References
- [oss-security] 20120902 Re: Information on security issues fixed in ffmpeg 0.11? mailing-list
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commitdiff%3Bh=9d3032b960ae03066c008d6e6774f68b17a1d69d
- http://libav.org/releases/libav-0.8.4.changelog
- 55355 vdb-entry
- MDVSA-2013:079 vendor-advisory
- [oss-security] 20120831 Information on security issues fixed in ffmpeg 0.11? mailing-list
- http://ffmpeg.org/security.html
- http://libav.org/releases/libav-0.7.7.changelog
- 50468 third-party-advisory
- 51257 third-party-advisory