Description
unrar 0.0.1 (aka unrar-free or unrar-gpl) suffers from a directory traversal vulnerability for RAR v2 archives: pathnames of the form ../[filename] are unpacked into the upper directory.
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 | unrar-free | 1:0.0.1+cvs20140707-2 | — |
| Debian 13 | unrar-free | 1:0.0.1+cvs20140707-2 | — |
| Debian 12 | unrar-free | 1:0.0.1+cvs20140707-2 | — |
| Debian 9 | unrar-free | 1:0.0.1+cvs20140707-1+deb9u1 | DLA-2567-1 |
| Debian 7 | unrar-free | 1:0.0.1+cvs20071127-2+deb7u1 | DLA-1091-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | unrar-free | 1:0.0.1+cvs20140707-4~build0.16.04.1 | — |
Advisories 2
- DLA-2567-1 unrar-free - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1091-1 unrar-free - security update Debian Security (DSA / DLA) · Mar 9, 2026