Description
The mpegts_write_pmt function in the MPEG2 transport stream (aka DVB) muxer (libavformat/mpegtsenc.c) in FFmpeg, possibly 2.1 and earlier, allows remote attackers to have unspecified impact and vectors, which trigger an out-of-bounds write.
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 7 | libav | 6:0.8.15-1 | DSA-3003-1 |
Advisories 1
- DSA-3003-1 libav - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=842b6c14bc
- 56971 third-party-advisory
- 1029850 vdb-entry
- ffmpeg-mpegtswritepmt-bo(91174) vdb-entry
- GLSA-201603-06 vendor-advisory
- 65560 vdb-entry