Description
Heap-based buffer overflow in the decode_dds1 function in libavcodec/dfa.c in FFmpeg before 2.8.12, 3.0.x before 3.0.8, 3.1.x before 3.1.8, 3.2.x before 3.2.5, and 3.3.x before 3.3.1 allows remote attackers to cause a denial of service (application crash) or possibly have unspecified other impact 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 | 7:3.2.5-1 | — |
| Debian 13 | ffmpeg | 7:3.2.5-1 | — |
| Debian 12 | ffmpeg | 7:3.2.5-1 | — |
| Debian 8 | libav | 6:11.11-1~deb8u1 | DSA-4012-1 |
| Debian 7 | libav | 6:0.8.21-0+deb7u1 | DLA-1142-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | ffmpeg | 7:2.8.14-0ubuntu0.16.04.1 | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 14.04 LTS | libav | No fix yet | — |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.6 | ffmpeg | 3.2.5-r0 | — |
| Alpine v3.5 | ffmpeg | 3.1.8-r0 | — |
| Alpine v3.4 | ffmpeg | 3.1.8-r0 | — |
Advisories 2
- DSA-4012-1 libav - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1142-1 libav - security update Debian Security (DSA / DLA) · Mar 9, 2026