Description
The ff_h264_decode_seq_parameter_set function in h264_ps.c in libavcodec in FFmpeg before 0.9.1 and in Libav 0.5.x before 0.5.9, 0.6.x before 0.6.6, 0.7.x before 0.7.6, and 0.8.x before 0.8.3 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a crafted H.264 file, related to the chroma_format_idc value.
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 | — |
| Debian 6.0 | ffmpeg | 4:0.5.9-1 | DSA-2494-1 |
Advisories 1
- DSA-2494-1 ffmpeg - several Debian Security (DSA / DLA) · Mar 9, 2026
References
- http://ffmpeg.org/trac/ffmpeg/ticket/758
- USN-1479-1 vendor-advisory
- [oss-security] 20120214 Re: CVE Requests for FFmpeg 0.9.1 mailing-list
- DSA-2494 vendor-advisory
- http://libav.org/
- MDVSA-2013:079 vendor-advisory
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=7fff64e00d886fde11d61958888c82b461cf99b9
- http://ffmpeg.org/security.html
- ffmpeg-ffh264decode-code-exec(78933) vdb-entry