Description
The VC-2 Video Compression encoder in FFmpeg 3.0 and 3.4 allows remote attackers to cause a denial of service (out-of-bounds read) because of incorrect buffer padding for non-Haar wavelets, related to libavcodec/vc2enc.c and libavcodec/vc2enc_dwt.c.
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 | 7:3.4.1-1 | — |
| Debian 13 | ffmpeg | 7:3.4.1-1 | — |
| Debian 12 | ffmpeg | 7:3.4.1-1 | — |
| Debian 9 | ffmpeg | 7:3.2.9-1~deb9u1 | DSA-4049-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Package Hub 12 SP2 | ffmpeg | 3.4.2-14.1 | openSUSE-SU-2018:0476-1, openSUSE-SU-2018:0470-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | ffmpeg-4 | 4.4-5.2 | openSUSE-SU-2024:10754-1 |
Advisories 4
- DSA-4049-1 ffmpeg - 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
- openSUSE-SU-2018:0470-1 Security update for ffmpeg SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2018:0476-1 Security update for ffmpeg SUSE / openSUSE Security Updates · Feb 4, 2026