Description
FFmpeg 4.2 is affected by a Divide By Zero issue via libavcodec/lpc.h, which allows a remote malicious user to cause a Denial of Service.
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 | 7:5.0.1-2 | — |
| Debian 13 | ffmpeg | 7:5.0.1-2 | — |
| Debian 12 | ffmpeg | 7:5.0.1-2 | — |
| Debian 11 | ffmpeg | 7:4.3.3-0+deb11u1 | DSA-4998-1 |
| Debian 10 | ffmpeg | 7:4.1.8-0+deb10u1 | DSA-4990-1 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 9 | ffmpeg | 7:3.2.16-1+deb9u1 | DLA-2818-1 |
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 |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 16.04 LTS | ffmpeg | 7:2.8.17-0ubuntu0.1+esm1 | USN-5167-1 |
Advisories 5
- USN-5167-1 ffmpeg vulnerabilities Ubuntu Security Notices (USN) · Jun 25, 2026
- USN-5472-1 ffmpeg vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- DSA-4998-1 ffmpeg - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DSA-4990-1 ffmpeg - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-2818-1 ffmpeg - security update Debian Security (DSA / DLA) · Mar 9, 2026
References
- https://trac.ffmpeg.org/ticket/7996
- DSA-4990 vendor-advisory
- DSA-4998 vendor-advisory
- [debian-lts-announce] 20211114 [SECURITY] [DLA 2818-1] ffmpeg security update mailing-list