Description
The decode_init function in libavcodec/utvideodec.c in FFmpeg through 3.4.2 allows remote attackers to cause a denial of service (out of array read) via an AVI file.
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 | 7:3.4.3-1 | — |
| Debian 13 | ffmpeg | 7:3.4.3-1 | — |
| Debian 12 | ffmpeg | 7:3.4.3-1 | — |
| Debian 9 | ffmpeg | 7:3.2.11-1~deb9u1 | DSA-4249-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | ffmpeg | 7:3.4.4-0ubuntu0.18.04.1 | — |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | ffmpeg | 3.4.3-r0 | — |
| Alpine v3.23 | ffmpeg | 3.4.3-r0 | — |
| Alpine v3.22 | ffmpeg +1 | 3.4.3-r0 | — |
| Alpine v3.21 | ffmpeg +1 | 3.4.3-r0 | — |
| Alpine v3.20 | ffmpeg +1 | 3.4.3-r0 | — |
Show 12 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | ffmpeg +1 | 3.4.3-r0 | — |
| Alpine v3.18 | ffmpeg +1 | 3.4.3-r0 | — |
| Alpine v3.17 | ffmpeg +1 | 3.4.3-r0 | — |
| Alpine v3.16 | ffmpeg +1 | 3.4.3-r0 | — |
| Alpine v3.15 | ffmpeg | 3.4.3-r0 | — |
| Alpine v3.14 | ffmpeg | 3.4.3-r0 | — |
| Alpine v3.13 | ffmpeg | 3.4.3-r0 | — |
| Alpine v3.12 | ffmpeg | 3.4.3-r0 | — |
| Alpine v3.11 | ffmpeg | 3.4.3-r0 | — |
| Alpine v3.10 | ffmpeg | 3.4.3-r0 | — |
| Alpine v3.9 | ffmpeg | 3.4.3-r0 | — |
| Alpine v3.8 | ffmpeg | 3.4.3-r0 | — |
Advisories 1
- DSA-4249-1 ffmpeg - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- http://git.videolan.org/?p=ffmpeg.git%3Ba=commit%3Bh=47b7c68ae54560e2308bdb6be4fb076c73b93081
- DSA-4249 vendor-advisory
- 103732 vdb-entry
- GLSA-202003-65 vendor-advisory