Description
Stack-based buffer overflow in the aac_sync function in aac_parser.c in Libav before 11.5 allows remote attackers to cause a denial of service (out-of-bounds read) via a crafted 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 | 7:2.4-1 | — |
| Debian 13 | ffmpeg | 7:2.4-1 | — |
| Debian 12 | ffmpeg | 7:2.4-1 | — |
| Debian 7 | libav | 6:0.8.18-0+deb7u1 | DLA-644-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 14.04 LTS | libav | 6:9.20-0ubuntu0.14.04.1+esm1 | — |
Advisories 1
- DLA-644-1 libav - security update Debian Security (DSA / DLA) · Mar 9, 2026