CVE-2011-4089

NONENVD 0.0

0.0

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.

CVSS v3: —
EG Score: —
EPSS: 35.4%
KEV: Not listed

Published

April 16, 2014

Last Modified

May 6, 2026

References (10)

secalert@redhathttp://seclists.org/fulldisclosure/2011/Oct/804
secalert@redhathttp://www.exploit-db.com/exploits/18147
secalert@redhathttp://www.openwall.com/lists/oss-security/2011/10/28/16
secalert@redhathttp://www.ubuntu.com/usn/USN-1308-1
secalert@redhathttps://bugs.debian.org/cgi-bin/bugreport.cgi?bug=632862
af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2011/Oct/804
af854a3a-2127-422b-91ae-364da2661108http://www.exploit-db.com/exploits/18147
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2011/10/28/16
af854a3a-2127-422b-91ae-364da2661108http://www.ubuntu.com/usn/USN-1308-1
af854a3a-2127-422b-91ae-364da2661108https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=632862

Frequently asked(4)

What is CVE-2011-4089?

CVE-2011-4089 is a none vulnerability published on April 16, 2014. 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.

When was CVE-2011-4089 disclosed?

CVE-2011-4089 was first published in the National Vulnerability Database on April 16, 2014, with the most recent update on May 6, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2011-4089 actively exploited?

CVE-2011-4089 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 35.4% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2011-4089?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2011-4089, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2011-4089

📅 Published

🔄 Last Modified

🔗 References (10)