Description
A use-after-free vulnerability exists in the way MKVToolNix MKVINFO v25.0.0 handles the MKV (matroska) file format. A specially crafted MKV file can cause arbitrary code execution in the context of the current user.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| — | MKVToolNix | MKVToolNix mkvinfo v25.0.0 ('Prog Noir') 64-bit | — |
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 | mkvtoolnix | 28.2.0-1 | — |
| Debian 13 | mkvtoolnix | 28.2.0-1 | — |
| Debian 12 | mkvtoolnix | 28.2.0-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | mkvtoolnix | No fix yet | — |
| Ubuntu 26.04 LTS | mkvtoolnix | No fix yet | — |
| Ubuntu 25.10 | mkvtoolnix | No fix yet | — |
| Ubuntu 24.04 LTS | mkvtoolnix | No fix yet | — |
| Ubuntu 22.04 LTS | mkvtoolnix | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | mkvtoolnix | No fix yet | — |
| Ubuntu 18.04 LTS | mkvtoolnix | No fix yet | — |
| Ubuntu 16.04 LTS | mkvtoolnix | No fix yet | — |