The bzexe command in bzip2 1.0.5 and earlier generates compressed executables that do not properly handle temporary files during extraction, which allows local users to execute arbitrary code by precreating a temporary directory.
| Software | From | Fixed in |
|---|---|---|
| bzip / bzip2 | 1.0 | 1.0.x |
| bzip / bzip2 | - | 1.0.4.x |
| bzip / bzip2 | 1.0.3 | 1.0.3.x |
| bzip / bzip2 | 1.0.2 | 1.0.2.x |
| bzip / bzip2 | 1.0.1 | 1.0.1.x |