Description
A heap-based Buffer Overflow vulnerability exists in FFmpeg 4.2 at libavfilter/vf_colorconstancy.c: in slice_get_derivative, which crossfade_samples_fltp, which might lead to memory corruption and other potential consequences.
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 | 7:4.3-2 | — |
| Debian 13 | ffmpeg | 7:4.3-2 | — |
| Debian 12 | ffmpeg | 7:4.3-2 | — |
| Debian 10 | ffmpeg | 7:4.1.8-0+deb10u1 | DSA-4990-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | ffmpeg | 7:4.4.2-0ubuntu0.22.04.1 | USN-5472-1 |
| Ubuntu 20.04 LTS | ffmpeg | 7:4.2.7-0ubuntu0.1 | USN-5472-1 |
| Ubuntu 18.04 LTS | ffmpeg | 7:3.4.11-0ubuntu0.1 | USN-5472-1 |
Advisories 3
- USN-5472-1 ffmpeg vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- DSA-4990-1 ffmpeg - security update Debian Security (DSA / DLA) · Mar 9, 2026
- WID-SEC-2022-0211 ffmpeg: Mehrere Schwachstellen ermöglichen Denial of Service BSI CERT-Bund (WID) · Sep 3, 2024