Description
The AJP connector in Apache Tomcat 5.5.15 uses an incorrect length for chunks, which can cause a buffer over-read in the ajp_process_callback in mod_jk, which allows remote attackers to read portions of sensitive memory.
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 Network Satellite 5 | jabberd | 2.0s10-3.38.rhn | RHSA-2008:0261 |
| Red Hat Network Satellite 5 | java-1.4.2-ibm +1 | 1.4.2.10-1jpp.2.el4 | RHSA-2008:0261 |
| Red Hat Network Satellite 5 | jfreechart | 0.9.20-3.rhn | RHSA-2008:0261 |
| Red Hat Network Satellite 5 | openmotif21 | 2.1.30-11.RHEL4.6 | RHSA-2008:0261 |
| Red Hat Network Satellite 5 | perl-Crypt-CBC | 2.24-1.el4 | RHSA-2008:0261 |
| Red Hat Network Satellite 5 | rhn-apache | 1.3.27-36.rhn.rhel4 | RHSA-2008:0261 |
| Red Hat Network Satellite 5 | rhn-modjk-ap13 | 1.2.23-2rhn.rhel4 | RHSA-2008:0261 |
| Red Hat Network Satellite 5 | rhn-modperl | 1.29-16.rhel4 | RHSA-2008:0261 |
| Red Hat Network Satellite 5 | rhn-modssl | 2.8.12-8.rhn.10.rhel4 | RHSA-2008:0261 |
| Red Hat Network Satellite 5 | tomcat5 | 5.0.30-0jpp_10rh | RHSA-2008:0261 |
| Red Hat Network Satellite 4 | jabberd | 2.0s10-3.37.rhn | RHSA-2008:0524 |
| Red Hat Network Satellite 4 | java-1.4.2-ibm +1 | 1.4.2.10-1jpp.2.el3 | RHSA-2008:0524 |
| Red Hat Network Satellite 4 | jfreechart | 0.9.20-3.rhn | RHSA-2008:0524 |
| Red Hat Network Satellite 4 | openmotif21 | 2.1.30-9.RHEL3.8 | RHSA-2008:0524 |
| Red Hat Network Satellite 4 | perl-Crypt-CBC | 2.24-1.el3 | RHSA-2008:0524 |
| Red Hat Network Satellite 4 | rhn-apache | 1.3.27-36.rhn.rhel3 | RHSA-2008:0524 |
| Red Hat Network Satellite 4 | rhn-modjk-ap13 | 1.2.23-2rhn.rhel3 | RHSA-2008:0524 |
| Red Hat Network Satellite 4 | rhn-modperl | 1.29-16.rhel3 | RHSA-2008:0524 |
| Red Hat Network Satellite 4 | rhn-modssl | 2.8.12-8.rhn.10.rhel3 | RHSA-2008:0524 |
| Red Hat Network Satellite 4 | tomcat5 | 5.0.30-0jpp_10rh | RHSA-2008:0524 |
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Maven | org.apache.tomcat:tomcat | <= 5.5.15 | — | GHSA-jpqr-vh55-xqxf |
Advisories 2
- RHSA-2008:0524 Red Hat Security Advisory: Red Hat Network Satellite Server security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
- RHSA-2008:0261 Red Hat Security Advisory: Red Hat Network Satellite Server security update Red Hat Security Advisories (RHSA) · Jun 29, 2026
References
- 28477 vdb-entry
- http://issues.apache.org/bugzilla/show_bug.cgi?id=38859
- RHSA-2008:0261 vendor-advisory
- [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