Skip to content
Fencer Vulns
high 7.5

CVE-2007-0774 in the critical feed json

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 Ser…

published 2007-03-04 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-0771

cvss
7.5
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
81.6%
EPSS 81.6% chance of exploitation in 30 days, percentile 99.6%
public exploits
3
Metasploit, Exploit-DB

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.

Patch / fix

  • libapache-mod-jk Debian 14, Debian 13, Debian 12 1:1.2.21-1

debian advisories DEBIAN-CVE-2007-0774

  • mod_jk RHEL 2 APPLICATION_SERVER 1.2.20-1jpp_1rh
  • mod_jk-ap20 RHEL 2 APPLICATION_SERVER 1.2.20-1jpp_1rh
  • mod_jk-manual RHEL 2 APPLICATION_SERVER 1.2.20-1jpp_1rh
  • mod_jk RHEL 1 APPLICATION_STACK 1.2.20-1.el4s1.2
  • mod_jk-ap20 RHEL 1 APPLICATION_STACK 1.2.20-1.el4s1.2
  • mod_jk-manual RHEL 1 APPLICATION_STACK 1.2.20-1.el4s1.2

red hat advisories RHSA-2007:0164RHSA-2007:0096

  • apache2-mod_jk openSUSE Tumbleweed 1.2.48-2.9

opensuse advisories openSUSE-SU-2024:10625-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2007-0774 updated

security flaw

  • Red Hat Application Server v2 4AS mod_jk 1.2.20-1jpp_1rh, mod_jk-ap20 1.2.20-1jpp_1rh, mod_jk-manual 1.2.20-1jpp_1rh Red Hat Application Server v2 4ES mod_jk 1.2.20-1jpp_1rh, mod_jk-ap20 1.2.20-1jpp_1rh, mod_jk-manual 1.2.20-1jpp_1rh Red Hat Application Server v2 4WS mod_jk 1.2.20-1jpp_1rh, mod_jk-ap20 1.2.20-1jpp_1rh, mod_jk-manual 1.2.20-1jpp_1rh
    fixed: vendor fix RHSA-2007:0164
  • 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-manual 1.2.20-1.el4s1.2 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-manual 1.2.20-1.el4s1.2
    fixed: vendor fix RHSA-2007:0096

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

  1. First public exploit (Metasploit exploit/windows/http/apache_modjk_overflow)
  2. Published

Exploit prediction

81.63% chance of exploitation in the next 30 days, higher than 99.6% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

CVSS scores

assigned by version score vector
NVD 2.0 7.5 AV:N/AC:L/Au:N/C:P/I:P/A:P

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.