CVE-2011-4089
The bzexe command in bzip2 1.0.5 and earlier generates compressed executables that do not...
CVE-2011-4089 is a medium vulnerability (CVSS 4.6) in Bzip Bzip2, published April 16, 2014. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 1.04%, the 64th percentile. Fixed in bzip2 1.0.6-1.
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2011-4089- CVSS 2.0
- 4.6 Medium
AV:L/AC:L/Au:N/C:P/I:P/A:P - Weakness
- CWE-264
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2011-4089- Updated
- 2026-11-02
EUVDEUVD-2011-4040 No score
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.
- Record
EUVD-2011-4040- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-f3fh-cjxj-26mw No score
The bzexe command in bzip2 1.0.5 and earlier generates compressed executables that do not...
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.
- Record
GHSA-f3fh-cjxj-26mw- Updated
- 2026-11-02
OSV No score
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.
- Record
CVE-2011-4089- Updated
- 2026-11-02
OSVDEBIAN-CVE-2011-4089 No score
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.
- Record
DEBIAN-CVE-2011-4089- Updated
- 2026-11-02
Affected products
Affected packages
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | bzexe (bzip2) - Race Condition | 2011-11-23 |
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, Exploit-DB, GitHub Advisories, NVD, OSV |
References
seclists.org/fulldisclosure/2011/Oct/804
bugs.debian.org/cgi-bin/bugreport.cgi?bug=632862
ubuntu.com/usn/USN-1308-1
exploit-db.com/exploits/18147
openwall.com/lists/oss-security/2011/10/28/16
nvd.nist.gov/vuln/detail/CVE-2011-4089
github.com/advisories/GHSA-f3fh-cjxj-26mw
security-tracker.debian.org/tracker/CVE-2011-4089