Vulnerability · CVE-2011-1176
The configuration merger in itk.c in the Steinar H.
Published Mar 29, 2011 · catalog updated Jun 16, 2026 · mpm-itk project
Last checked Nov 4, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2011-1176. EPSS is 2.72%. Act only if a listed version of mpm-itk project is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- Medium4.3
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 2.72%
- Remediation
- Advisory link
- Affected products
- cpe debian/debian linux · cpe mpm-itk project/mpm-itk
The configuration merger in itk.c in the Steinar H. Gunderson mpm-itk Multi-Processing Module 2.2.11-01 and 2.2.11-02 for the Apache HTTP Server does not properly handle certain configuration sections that specify NiceValue but not AssignUserID, which might allow remote attackers to gain privileges by leveraging the root uid and root gid of an mpm-itk process.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe debian/debian linux5.0
- cpe debian/debian linux6.0
- cpe debian/debian linux7.0
- cpe mpm-itk project/mpm-itk2.2.11-01
- cpe mpm-itk project/mpm-itk2.2.11-02
How to fix CVE-2011-1176
No stored fix
No vendor fix text is stored. Use the linked advisory before you change production.
Version check
Seen in 5.0 · 4 other packages on the advisory
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2011-1176. EPSS is 2.72%. Act only if a listed version of mpm-itk project is installed.
Which versions are affected?
Compare what you have installed with debian/debian linux 5.0; debian/debian linux 6.0; debian/debian linux 7.0; mpm-itk project/mpm-itk 2.2.11-01. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 2.72%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Mar 29, 2011 · Monitored products — critical
Detected
The configuration merger in itk.c in the Steinar H. Gunderson mpm-itk Multi-Processing Module 2.2.11-01 and 2.2.11-02 for the Apache HTTP Server does not properly handle certain configuration sections that specify NiceValue but not AssignUserID, which might allow remote attackers to gain privileges by leveraging the root uid and root gid of an mpm-itk process.
Jun 16, 2026 · Monitored products — critical
Updated
The configuration merger in itk.c in the Steinar H. Gunderson mpm-itk Multi-Processing Module 2.2.11-01 and 2.2.11-02 for the Apache HTTP Server does not properly handle certain configuration sections that specify NiceValue but not AssignUserID, which might allow remote attackers to gain privileges by leveraging the root uid and root gid of an mpm-itk process.
Sources
- CVE.orgVulnerability recordCVE-2011-1176
Official CVE identifier
cve.org - Monitored products — criticalVendor advisoryCVE-2011-1176
The configuration merger in itk.c in the Steinar H. Gunderson mpm-itk Multi-Processing Module 2.2.11-01 and 2.2.11-02 for the Apache HTTP Server does not properly handle certain configuration sections that specify NiceValue but not AssignUserID, which might allow remote attackers to gain privileges by leveraging the root uid and root gid of an mpm-itk process.
nvd.nist.gov
References
Freshness
Last verified in this catalog Nov 4, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- CVE.orgNov 4, 2026
- Monitored products — criticalNov 4, 2026