Description
FFmpeg n6.1.1 has a vulnerability in the WAVARC decoder of the libavcodec library which allows for an integer overflow when handling certain block types, leading to a denial-of-service (DoS) condition.
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 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 24.04 LTS | ffmpeg | 7:6.1.1-3ubuntu5+esm5 | USN-7823-1 |
| Ubuntu Pro 22.04 LTS | ffmpeg | 7:4.4.2-0ubuntu0.22.04.1+esm9 | USN-7823-1 |
| Ubuntu Pro 20.04 LTS | ffmpeg | 7:4.2.7-0ubuntu0.1+esm10 | USN-7823-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | ffmpeg | 7:3.4.11-0ubuntu0.1+esm10 | USN-7823-1 |
| Ubuntu Pro 16.04 LTS | ffmpeg | 7:2.8.17-0ubuntu0.1+esm12 | USN-7823-1 |
| 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 |
Advisories 3
- WID-SEC-2024-3572 ffmpeg: Schwachstelle ermöglicht Denial of Service BSI CERT-Bund (WID) · Oct 19, 2026
- USN-7823-1 ffmpeg vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- openSUSE-SU-2025:15177-1 ffmpeg-7-7.1.1-4.1 on GA media SUSE / openSUSE Security Updates · Mar 23, 2026