| Name | CVE-2011-4089 |
| Description | 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. |
| Source | CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more) |
| Debian Bugs | 632862 |
Vulnerable and fixed packages
The table below lists information on source packages.
| Source Package | Release | Version | Status |
|---|
| bzip2 (PTS) | jessie, jessie (lts) | 1.0.6-7+deb8u2 | fixed |
| stretch (lts), stretch | 1.0.6-8.1+deb9u1 | fixed |
| buster (security), buster, buster (lts) | 1.0.6-9.2~deb10u2 | fixed |
| bullseye | 1.0.8-4 | fixed |
| bookworm | 1.0.8-5 | fixed |
| sid, trixie | 1.0.8-6 | fixed |
The information below is based on the following data on fixed versions.
| Package | Type | Release | Fixed Version | Urgency | Origin | Debian Bugs |
|---|
| bzip2 | source | squeeze | 1.0.5-6+squeeze1 | | | |
| bzip2 | source | (unstable) | 1.0.6-1 | low | | 632862 |
Notes
[lenny] - bzip2 <no-dsa> (Minor issue)