Vulnerability Report

CVE-2011-4089

RCE

Title: Bzip Bzip2 RCE

RCE

Proof Of Concept

PoC Available for CVE-2011-4089

CWE Category CWE-264

Published Date Apr 16, 2014

Modified Date Jun 16, 2026

Exploit Status Available

Score 4.6 CVSS v2.0

Exploit Probability (EPSS)

1.04%

Vulnerability Summary

CVE-2011-4089: 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.

Impacted Vendors

bzip 1

bzip2_project 1

Reference Links

http://seclists.org/fulldisclosure/2011/Oct/804 http://www.exploit-db.com/exploits/18147 http://www.openwall.com/lists/oss-security/2011/10/28/16 http://www.ubuntu.com/usn/USN-1308-1 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=632862 http://seclists.org/fulldisclosure/2011/Oct/804 http://www.exploit-db.com/exploits/18147 http://www.openwall.com/lists/oss-security/2011/10/28/16 http://www.ubuntu.com/usn/USN-1308-1 https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=632862

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

4.6

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:L/AC:L/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2011-4089 Exploits & PoCs (Proof Of Concept)

Exploit-DB https://www.exploit-db.com/exploits/18147

View Code

June 16, 2026 MODIFIED

Vulnerability data updated via NVD.

May 06, 2026 MODIFIED

Vulnerability data updated via NVD.

May 06, 2026 MODIFIED

Vulnerability data updated via NVD.

April 12, 2025 MODIFIED

Vulnerability data or affected products updated.

April 16, 2014 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector N/A

Complexity N/A

Privileges N/A

Interaction NONE

CVSS Vector String


                                    AV:L/AC:L/Au:N/C:P/I:P/A:P

Affected Stack

No specific products linked.