Is CVE-2011-4089 being actively exploited?

CVE-2011-4089 is not currently listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.

What is the CVSS score for CVE-2011-4089?

CVE-2011-4089 has a CVSS 2.0 base score of 4.6 (MEDIUM).

CVE-2011-4089

MEDIUM · CVSS 4.6EPSS 1.0%EU EUVD

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.

Key facts

CVSS score: 4.6 (v2.0)
Severity: MEDIUM
CVSS vector: AV:L/AC:L/Au:N/C:P/I:P/A:P
Weakness (CWE): CWE-264
EPSS score: 1.0% (64th percentile)
In CISA KEV: No
In EU EUVD: Yes (EUVD-2011-4040)
Published: April 16, 2014
NVD last modified: June 16, 2026
Status: Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2011-4040 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.

View on the EU Vulnerability Database

Affected products

bzip / bzip2
bzip / bzip2
bzip / bzip2
bzip / bzip2
bzip / bzip2

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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