Description
The smacker_decode_header_tree function in libavcodec/smacker.c in FFmpeg before 0.10 allows remote attackers to have an unspecified impact via crafted Smacker data.
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 | 6:0.8.10-1 | DSA-2855-1 |
Advisories 1
- DSA-2855-1 libav - several Debian Security (DSA / DLA) · Mar 9, 2026