Description
FFmpeg n7.0 has a race condition vulnerability in the VP9 decoder. This could lead to a data race if video encoding parameters were being exported, as the side data would be attached in the decoder thread while being read in the output thread.
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 | 7:7.1-3 | — |
| Debian 13 | ffmpeg | 7:7.1-3 | — |
| Debian 12 | ffmpeg | No fix yet | — |
| Debian 11 | ffmpeg | 7:4.3.9-0+deb11u2 | DLA-4440-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 14.04 LTS | libav | No fix yet | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | ffmpeg-7 | 7.1.1-4.1 | openSUSE-SU-2025:15177-1 |
| openSUSE Leap 16.0 | ffmpeg-7 | 7.1.5-160000.1.1 | openSUSE-SU-2026:21877-1 |
Advisories 4
- WID-SEC-2024-3572 ffmpeg: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Oct 19, 2026
- openSUSE-SU-2026:21877-1 Security update for ffmpeg-7 SUSE / openSUSE Security Updates · Sep 25, 2026
- openSUSE-SU-2025:15177-1 ffmpeg-7-7.1.1-4.1 on GA media SUSE / openSUSE Security Updates · Mar 23, 2026
- DLA-4440-1 ffmpeg - security update Debian Security (DSA / DLA) · Jan 17, 2026