Description
Insufficient tracking and releasing of allocated used memory in libx264 git master allows attackers to execute arbitrary code via creating a crafted AAC file.
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 | x264 | No fix yet | — |
| Debian 13 | x264 | No fix yet | — |
| Debian 12 | x264 | No fix yet | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | x264 +1 | No fix yet | — |
| Ubuntu 26.04 LTS | x264 | No fix yet | — |
| Ubuntu 25.10 | x264 +1 | No fix yet | — |
| Ubuntu 24.04 LTS | x264 | No fix yet | — |
| Ubuntu 22.04 LTS | x264 | No fix yet | — |
Show 11 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | x264 | No fix yet | — |
| Ubuntu 18.04 LTS | x264 | No fix yet | — |
| Ubuntu 16.04 LTS | x264 | No fix yet | — |
| Ubuntu 14.04 LTS | x264 | No fix yet | — |
| Ubuntu Pro 26.04 LTS | ffmpeg | No fix yet | — |
| Ubuntu Pro 24.04 LTS | ffmpeg | No fix yet | — |
| Ubuntu Pro 22.04 LTS | ffmpeg | No fix yet | — |
| Ubuntu Pro 20.04 LTS | ffmpeg | No fix yet | — |
| Ubuntu Pro 18.04 LTS | ffmpeg | No fix yet | — |
| Ubuntu Pro 16.04 LTS | ffmpeg | No fix yet | — |
| Ubuntu Pro 14.04 LTS | libav | No fix yet | — |