Description
FFmpeg before 2.8.12, 3.0.x and 3.1.x before 3.1.9, 3.2.x before 3.2.6, and 3.3.x before 3.3.2 does not properly restrict HTTP Live Streaming filename extensions and demuxer names, which allows attackers to read arbitrary files via crafted playlist 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 | 7:3.2.6-1 | — |
| Debian 13 | ffmpeg | 7:3.2.6-1 | — |
| Debian 12 | ffmpeg | 7:3.2.6-1 | — |
| Debian 9 | ffmpeg | 7:3.2.7-1~deb9u1 | DSA-3957-1 |
| Debian 8 | libav | 6:11.12-1~deb8u4 | DLA-1630-1 |
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 | 3.2.6-r0 | — |
| Alpine v3.5 | ffmpeg | 3.1.9-r0 | — |
| Alpine v3.4 | ffmpeg | 3.1.9-r0 | — |
Advisories 2
- DLA-1630-1 libav - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-3957-1 ffmpeg - security update Debian Security (DSA / DLA) · Mar 9, 2026