CVE-2011-4089
The bzexe command in bzip2 1.0.5 and earlier generates compressed executables that do not properly handle temporary files during…
- Published
- Updated
- Reserved
- Assigned by
- redhat
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.
Public exploit
A reference of the record is tagged as an exploit or proof of concept: anyone can try it against an unpatched system.
- 18147 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
Timeline
ID reserved
By redhat
- 2 years later
· 2 years later
Published
- 10 years later
· 10 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium4.6 | AV:L/AC:L/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 1.0% · top 36% of all CVEs (8 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.6.
Weakness
Affected products
n/a
- affected n/a
References (5)
- 20111025 Re: Symlink vulnerabilities (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=632862 (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-1308-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- 18147 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- [oss-security] 20111028 Re: Request for CVE Identifier: bzexe insecure temporary file (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2011-4089)Record last updated .