Description
Buffer overflow in Apache Tomcat Connectors (mod_jk) before 1.2.42.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Red Hat JBoss Core Services 1 | jbcs-httpd24-httpd +8 | 2.4.23-102.jbcs.el6 | RHSA-2017:0194, RHSA-2017:0193 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-mod_auth_kerb | 5.4-35.jbcs.el6 | RHSA-2017:0194, RHSA-2017:0193 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-mod_bmx +1 | 0.9.6-14.GA.jbcs.el6 | RHSA-2017:0194, RHSA-2017:0193 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-mod_cluster-native +1 | 1.3.5-13.Final_redhat_1.jbcs.el6 | RHSA-2017:0194, RHSA-2017:0193 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-mod_jk +3 | 1.2.41-14.redhat_1.jbcs.el6 | RHSA-2017:0194, RHSA-2017:0193 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-mod_rt +1 | 2.4.1-16.GA.jbcs.el6 | RHSA-2017:0194, RHSA-2017:0193 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-mod_security +1 | 2.9.1-18.GA.jbcs.el6 | RHSA-2017:0194, RHSA-2017:0193 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-mod_ssl +1 | 1:2.4.23-102.jbcs.el6 | RHSA-2017:0194, RHSA-2017:0193 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-nghttp2 | 1.12.0-9.jbcs.el6 | RHSA-2017:0194, RHSA-2017:0193 |
| Red Hat JBoss Core Services 1 | jbcs-httpd24-openssl +4 | 1:1.0.2h-12.jbcs.el6 | RHSA-2017:0194, RHSA-2017:0193 |
Advisories 2
- RHSA-2017:0193 Red Hat Security Advisory: Red Hat JBoss Core Services Apache HTTP Server 2.4.23 Release on RHEL 6 Red Hat Security Advisories (RHSA) · Sep 21, 2026
- RHSA-2017:0194 Red Hat Security Advisory: Red Hat JBoss Core Services Apache HTTP Server 2.4.23 Release on RHEL 7 Red Hat Security Advisories (RHSA) · Sep 21, 2026
References
- 1036969 vdb-entry
- 20161011 [SECURITY] CVE-2016-6808 Apache Tomcat JK ISAPI Connector buffer overflow mailing-list
- RHSA-2017:0194 vendor-advisory
- 93429 vdb-entry
- RHSA-2017:0193 vendor-advisory
- RHSA-2016:2957 vendor-advisory
- http://tomcat.apache.org/security-jk.html
- http://packetstormsecurity.com/files/139071/Apache-Tomcat-JK-ISAPI-Connector-1.2.41-Buffer-Overflow.html
- [oss-security] 20161006 [SECURITY] CVE-2016-6808 Apache Tomcat JK ISAPI Connector buffer overflow mailing-list
- [tomcat-dev] 20190319 svn commit: r1855831 [26/30] - in /tomcat/site/trunk: ./ docs/ xdocs/ mailing-list
- [tomcat-dev] 20190325 svn commit: r1856174 [25/29] - in /tomcat/site/trunk: docs/ xdocs/ xdocs/stylesheets/ mailing-list
- [tomcat-dev] 20190413 svn commit: r1857494 [18/20] - in /tomcat/site/trunk: ./ docs/ xdocs/ mailing-list
- [tomcat-dev] 20190415 svn commit: r1857582 [20/22] - in /tomcat/site/trunk: docs/ xdocs/stylesheets/ mailing-list
- [tomcat-dev] 20200203 svn commit: r1873527 [26/30] - /tomcat/site/trunk/docs/ mailing-list
- [tomcat-dev] 20200213 svn commit: r1873980 [30/34] - /tomcat/site/trunk/docs/ mailing-list