Stack-based buffer overflow in the map_uri_to_worker function…
Priority HIGH 73Published · 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 · Partial · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
Stack-based buffer overflow in the map_uri_to_worker function (native/common/jk_uri_worker_map.c) in mod_jk.so for Apache Tomcat JK Web Server Connector 1.2.19 and 1.2.20, as used in Tomcat 4.1.34 and 5.5.20, allows remote attackers to execute arbitrary code via a long URL that triggers the overflow in a URI worker map routine.
Why it matters now
EPSS 0.81627 99th percentileScored 2026-11-07
Fix Fixed Red Hat: 2 advisories
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
Remediation
Red Hat 2 advisories
- RHSA-2007:0164 Released 2007-04-12 · Red Hat rating Criticalmod_jk security update
- Red Hat Application Server v2 4AS mod_jk-1.2.20-1jpp_1rh, mod_jk-ap20-1.2.20-1jpp_1rh, mod_jk-ap20-1.2.20-1jpp_1rh.i386 +6
- Red Hat Application Server v2 4ES mod_jk-1.2.20-1jpp_1rh, mod_jk-ap20-1.2.20-1jpp_1rh, mod_jk-ap20-1.2.20-1jpp_1rh.i386 +4
- Red Hat Application Server v2 4WS mod_jk-1.2.20-1jpp_1rh, mod_jk-ap20-1.2.20-1jpp_1rh, mod_jk-ap20-1.2.20-1jpp_1rh.i386 +4
- RHSA-2007:0096 Released 2007-03-02 · Red Hat rating Criticalmod_jk security update
- Red Hat Application Stack v1 for Enterprise Linux AS (v.4) mod_jk-1.2.20-1.el4s1.2, mod_jk-ap20-1.2.20-1.el4s1.2, mod_jk-ap20-1.2.20-1.el4s1.2.i386 +2
- Red Hat Application Stack v1 for Enterprise Linux ES (v.4) mod_jk-1.2.20-1.el4s1.2, mod_jk-ap20-1.2.20-1.el4s1.2, mod_jk-ap20-1.2.20-1.el4s1.2.i386 +2
Vendor assessments
Red Hat
Red Hat rating: Critical. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Application Server v2 4AS | Fixed | RHSA-2007:0164 |
| Red Hat Application Server v2 4ES | Fixed | RHSA-2007:0164 |
| Red Hat Application Server v2 4WS | Fixed | RHSA-2007:0164 |
| Red Hat Application Stack v1 for Enterprise Linux AS (v.4) | Fixed | RHSA-2007:0096 |
| Red Hat Application Stack v1 for Enterprise Linux ES (v.4) | Fixed | RHSA-2007:0096 |
Timeline
- 2026-10-02 Threatist record created from CVE-2007-0774
- 2026-10-03 Alias added: GHSA-5cwp-c46g-8v55
References
Advisory 5
Other 11
- ADV-2007-0809
- ADV-2007-3386
- oval:org.mitre.oval:def:5513
- http://tomcat.apache.org/security-jk.html
- ADV-2008-0331
- [tomcat-dev] 20190319 svn commit: r1855831 [26/30] - in /tomcat/site/trunk: ./ docs/ xdocs/
- [tomcat-dev] 20190325 svn commit: r1856174 [25/29] - in /tomcat/site/trunk: docs/ xdocs/ xdocs/stylesheets/
- [tomcat-dev] 20190413 svn commit: r1857494 [18/20] - in /tomcat/site/trunk: ./ docs/ xdocs/
- [tomcat-dev] 20190415 svn commit: r1857582 [20/22] - in /tomcat/site/trunk: docs/ xdocs/stylesheets/
- [tomcat-dev] 20200203 svn commit: r1873527 [26/30] - /tomcat/site/trunk/docs/
- [tomcat-dev] 20200213 svn commit: r1873980 [30/34] - /tomcat/site/trunk/docs/
More Apache Tomcat Jk Web Server Connector vulnerabilities
- TI-2007-01783 mod_jk in Apache Tomcat JK Web Server Connector 1.2.x before 1.2.23 decodes request URLs… CVSS 2.0MEDIUM 5.0
Sources
- CVE-2007-0774 · CVE Program
- CVE-2007-0774 · NVD
- FIRST EPSS
- GHSA-5cwp-c46g-8v55 · GitHub Advisory Database · CC BY 4.0
- CVE-2007-0774 · Red Hat security data · CC BY 4.0
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