Description
libavcodec/utils.c in FFmpeg before 2.4.2 omits a certain codec ID during enforcement of alignment, which allows remote attackers to cause a denial of service (out-of-bounds access) or possibly have unspecified other impact via crafted JV 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 | 7:2.4.3-1 | — |
| Debian 13 | ffmpeg | 7:2.4.3-1 | — |
| Debian 12 | ffmpeg | 7:2.4.3-1 | — |
| Debian 8 | libav | 6:11.12-1~deb8u5 | DLA-1654-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 14.04 LTS | libav | 6:9.18-0ubuntu0.14.04.1 | — |
Advisories 1
- DLA-1654-1 libav - security update Debian Security (DSA / DLA) · Mar 9, 2026