Description
FFmpeg before 4.2 has a heap-based buffer overflow in vqa_decode_chunk because of an out-of-array access in vqa_decode_init in libavcodec/vqavideo.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 | 7:4.2.1-1 | — |
| Debian 13 | ffmpeg | 7:4.2.1-1 | — |
| Debian 12 | ffmpeg | 7:4.2.1-1 | — |
| Debian 10 | ffmpeg | 7:4.1.6-1~deb10u1 | DSA-4722-1 |
| Debian 9 | ffmpeg | 7:3.2.15-0+deb9u1 | DLA-2291-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 8 | libav | 6:11.12-1~deb8u9 | DLA-2021-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | ffmpeg | 7:4.2.4-1ubuntu0.1 | USN-4431-1 |
| Ubuntu 18.04 LTS | ffmpeg | 7:3.4.8-0ubuntu0.2 | USN-4431-1 |
| Ubuntu 16.04 LTS | ffmpeg | 7:2.8.17-0ubuntu0.1 | USN-4431-1 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP1 | ffmpeg | 3.4.2-4.27.1 | SUSE-SU-2019:3184-2, SUSE-SU-2019:3184-1 |
| SLES 15 | ffmpeg | 3.4.2-4.27.1 | SUSE-SU-2019:3184-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | ffmpeg | 4.2-r0 | — |
| Alpine v3.23 | ffmpeg | 4.2-r0 | — |
| Alpine v3.22 | ffmpeg +1 | 4.2-r0 | — |
| Alpine v3.21 | ffmpeg +1 | 4.2-r0 | — |
| Alpine v3.20 | ffmpeg +1 | 4.2-r0 | — |
Show 10 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | ffmpeg +1 | 4.2-r0 | — |
| Alpine v3.18 | ffmpeg +1 | 4.2-r0 | — |
| Alpine v3.17 | ffmpeg +1 | 4.2-r0 | — |
| Alpine v3.16 | ffmpeg +1 | 4.2-r0 | — |
| Alpine v3.15 | ffmpeg | 4.2-r0 | — |
| Alpine v3.14 | ffmpeg | 4.2-r0 | — |
| Alpine v3.13 | ffmpeg | 4.2-r0 | — |
| Alpine v3.12 | ffmpeg | 4.2-r0 | — |
| Alpine v3.10 | ffmpeg | 4.1.5-r0 | — |
| Alpine v3.9 | ffmpeg | 4.0.6-r0 | — |
Advisories 6
- USN-4431-1 ffmpeg vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- DSA-4722-1 ffmpeg - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2291-1 ffmpeg - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2021-1 libav - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2019:3184-1 Security update for ffmpeg SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2019:3184-2 Security update for ffmpeg SUSE / openSUSE Security Updates · May 2, 2025
References
- https://github.com/FFmpeg/FFmpeg/commit/02f909dc24b1f05cfbba75077c7707b905e63cd2
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=15919
- [debian-lts-announce] 20191205 [SECURITY] [DLA 2021-1] libav security update mailing-list
- GLSA-202003-65 vendor-advisory
- DSA-4722 vendor-advisory
- [debian-lts-announce] 20200727 [SECURITY] [DLA 2291-1] ffmpeg security update mailing-list
- USN-4431-1 vendor-advisory