mod_proxy_ajp.c in the mod_proxy_ajp module in the Apache HTTP Server 2.2.11 allows…
Priority LOW 37Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · None · None
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
mod_proxy_ajp.c in the mod_proxy_ajp module in the Apache HTTP Server 2.2.11 allows remote attackers to obtain sensitive response data, intended for a client that sent an earlier POST request with no request body, via an HTTP request.
Why it matters now
EPSS 0.12383 96th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 5
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:apache:http_server:2.2.11:*:*:*:*:*:*:* | 2.2.11 | Vulnerable | Apache |
| cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:*:*:*:* | 6.06 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:-:*:*:* | 8.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:8.10:*:*:*:*:*:*:* | 8.10 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:9.04:*:*:*:*:*:*:* | 9.04 | Vulnerable | Canonical |
- cpe:2.3:a:apache:http_server:2.2.11:*:*:*:*:*:*:* Versions 2.2.11 Vulnerable ·Apache
- cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:*:*:*:* Versions 6.06 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:8.04:*:*:*:-:*:*:* Versions 8.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:8.10:*:*:*:*:*:*:* Versions 8.10 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:9.04:*:*:*:*:*:*:* Versions 9.04 Vulnerable ·Canonical
Remediation
Red Hat 1 advisory
- RHSA-2009:1058 Released 2009-05-20 · Red Hat rating Importanthttpd security update
- Red Hat JBoss Enterprise Web Server 1 for RHEL 5 Server httpd-2.2.10-4.ep5.el5, httpd-2.2.10-4.ep5.el5.i386, httpd-devel-2.2.10-4.ep5.el5 +5
- Red Hat JBoss Web Server 1.0 for RHEL 4 AS httpd22-2.2.10-16.1.ep5.el4, httpd22-2.2.10-16.1.ep5.el4.i386, httpd22-apr-2.2.10-16.1.ep5.el4 +11
- Red Hat JBoss Web Server 1.0 for RHEL 4 ES httpd22-2.2.10-16.1.ep5.el4, httpd22-2.2.10-16.1.ep5.el4.i386, httpd22-apr-2.2.10-16.1.ep5.el4 +11
Vendor assessments
Red Hat
Red Hat rating: Important. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat JBoss Enterprise Web Server 1 for RHEL 5 Server | Fixed | RHSA-2009:1058 |
| Red Hat JBoss Web Server 1.0 for RHEL 4 AS | Fixed | RHSA-2009:1058 |
| Red Hat JBoss Web Server 1.0 for RHEL 4 ES | Fixed | RHSA-2009:1058 |
Timeline
- 2026-10-02 Threatist record created from CVE-2009-1191
- 2026-10-03 Alias added: GHSA-h7v8-q79w-9jq6
References
Patch 2
Advisory 8
Other 17
- ADV-2009-1147
- ADV-2009-3184
- 53921
- http://support.apple.com/kb/HT3937
- [httpd-cvs] 20190815 svn commit: r1048743 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20190815 svn commit: r1048742 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20200401 svn commit: r1058586 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20200401 svn commit: r1058587 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20210330 svn commit: r1073139 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/json/
- [httpd-cvs] 20210330 svn commit: r1888194 [5/13] - /httpd/site/trunk/content/security/json/
- [httpd-cvs] 20210330 svn commit: r1073140 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20210330 svn commit: r1073139 [5/13] - in /websites/staging/httpd/trunk/content: ./ security/json/
- [httpd-cvs] 20210330 svn commit: r1073146 [2/3] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities-httpd.xml security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20210330 svn commit: r1073149 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/
- [httpd-cvs] 20210330 svn commit: r1073149 [6/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/
- [httpd-cvs] 20210603 svn commit: r1075360 [2/3] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2021-31618.json security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20210606 svn commit: r1075470 [3/4] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2020-13938.json security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
Sources
- CVE-2009-1191 · CVE Program
- CVE-2009-1191 · NVD
- FIRST EPSS
- GHSA-h7v8-q79w-9jq6 · GitHub Advisory Database · CC BY 4.0
- CVE-2009-1191 · Red Hat security data · CC BY 4.0
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