Description
In FFmpeg 2.4 and 3.3.3, the read_data function in libavformat/hls.c does not restrict reload attempts for an insufficient list, which allows remote attackers to cause a denial of service (infinite loop).
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 | 7:3.3.4-1 | — |
| Debian 13 | ffmpeg | 7:3.3.4-1 | — |
| Debian 12 | ffmpeg | 7:3.3.4-1 | — |
| Debian 9 | ffmpeg | 7:3.2.8-1~deb9u1 | DSA-3996-1 |
| Debian 8 | libav | 6:11.12-1~deb8u6 | DLA-1740-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | ffmpeg | 7:2.8.14-0ubuntu0.16.04.1 | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | ffmpeg-4 | 4.4-5.2 | openSUSE-SU-2024:10754-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | ffmpeg | 3.3.4-r0 | — |
| Alpine v3.23 | ffmpeg | 3.3.4-r0 | — |
| Alpine v3.22 | ffmpeg +1 | 3.3.4-r0 | — |
| Alpine v3.21 | ffmpeg +1 | 3.3.4-r0 | — |
| Alpine v3.20 | ffmpeg +1 | 3.3.4-r0 | — |
Show 16 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | ffmpeg +1 | 3.3.4-r0 | — |
| Alpine v3.18 | ffmpeg +1 | 3.3.4-r0 | — |
| Alpine v3.17 | ffmpeg +1 | 3.3.4-r0 | — |
| Alpine v3.16 | ffmpeg +1 | 3.3.4-r0 | — |
| Alpine v3.15 | ffmpeg | 3.3.4-r0 | — |
| Alpine v3.14 | ffmpeg | 3.3.4-r0 | — |
| Alpine v3.13 | ffmpeg | 3.3.4-r0 | — |
| Alpine v3.12 | ffmpeg | 3.3.4-r0 | — |
| Alpine v3.11 | ffmpeg | 3.3.4-r0 | — |
| Alpine v3.10 | ffmpeg | 3.3.4-r0 | — |
| Alpine v3.9 | ffmpeg | 3.3.4-r0 | — |
| Alpine v3.8 | ffmpeg | 3.3.4-r0 | — |
| Alpine v3.7 | ffmpeg | 3.3.4-r0 | — |
| Alpine v3.6 | ffmpeg | 3.2.8-r0 | — |
| Alpine v3.5 | ffmpeg | 3.1.11-r0 | — |
| Alpine v3.4 | ffmpeg | 3.1.11-r0 | — |
Advisories 3
- DSA-3996-1 ffmpeg - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1740-1 libav - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10754-1 ffmpeg-4-4.4-5.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026