Apache httpd 1.3.37, 2.0.59, and 2.2.4 with the Prefork MPM module, allows local users to cause a denial of service by modifying the worker_score and process_score arrays to reference an arbitrary process ID, which is sent a SIGUSR1 signal from the master process, aka SIGUSR1 killer.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Http_server | Apache | 1.3.0 (including) | 1.3.39 (excluding) |
| Http_server | Apache | 2.0.0 (including) | 2.0.61 (excluding) |
| Http_server | Apache | 2.2.0 (including) | 2.2.6 (excluding) |
| Red Hat Certificate System 7.3 | RedHat | ant-0:1.6.5-1jpp_1rh | * |
| Red Hat Certificate System 7.3 | RedHat | avalon-logkit-0:1.2-2jpp_4rh | * |
| Red Hat Certificate System 7.3 | RedHat | axis-0:1.2.1-1jpp_3rh | * |
| Red Hat Certificate System 7.3 | RedHat | classpathx-jaf-0:1.0-2jpp_6rh | * |
| Red Hat Certificate System 7.3 | RedHat | classpathx-mail-0:1.1.1-2jpp_8rh | * |
| Red Hat Certificate System 7.3 | RedHat | geronimo-specs-0:1.0-0.M4.1jpp_10rh | * |
| Red Hat Certificate System 7.3 | RedHat | jakarta-commons-modeler-0:2.0-3jpp_2rh | * |
| Red Hat Certificate System 7.3 | RedHat | log4j-0:1.2.12-1jpp_1rh | * |
| Red Hat Certificate System 7.3 | RedHat | mx4j-1:3.0.1-1jpp_4rh | * |
| Red Hat Certificate System 7.3 | RedHat | pcsc-lite-0:1.3.3-3.el4 | * |
| Red Hat Certificate System 7.3 | RedHat | rhpki-ca-0:7.3.0-20.el4 | * |
| Red Hat Certificate System 7.3 | RedHat | rhpki-java-tools-0:7.3.0-10.el4 | * |
| Red Hat Certificate System 7.3 | RedHat | rhpki-kra-0:7.3.0-14.el4 | * |
| Red Hat Certificate System 7.3 | RedHat | rhpki-manage-0:7.3.0-19.el4 | * |
| Red Hat Certificate System 7.3 | RedHat | rhpki-native-tools-0:7.3.0-6.el4 | * |
| Red Hat Certificate System 7.3 | RedHat | rhpki-ocsp-0:7.3.0-13.el4 | * |
| Red Hat Certificate System 7.3 | RedHat | rhpki-tks-0:7.3.0-13.el4 | * |
| Red Hat Certificate System 7.3 | RedHat | tomcat5-0:5.5.23-0jpp_4rh.16 | * |
| Red Hat Certificate System 7.3 | RedHat | xerces-j2-0:2.7.1-1jpp_1rh | * |
| Red Hat Certificate System 7.3 | RedHat | xml-commons-0:1.3.02-2jpp_1rh | * |
| Red Hat Enterprise Linux 2.1 | RedHat | apache-0:1.3.27-12.ent | * |
| Red Hat Enterprise Linux 3 | RedHat | httpd-0:2.0.46-68.ent | * |
| Red Hat Enterprise Linux 4 | RedHat | httpd-0:2.0.52-32.3.ent | * |
| Red Hat Enterprise Linux 5 | RedHat | httpd-0:2.2.3-7.el5 | * |
| Red Hat Network Proxy v 4.2 (RHEL 3) | RedHat | jabberd-0:2.0s10-3.37.rhn | * |
| Red Hat Network Proxy v 4.2 (RHEL 3) | RedHat | rhn-apache-0:1.3.27-36.rhn.rhel3 | * |
| Red Hat Network Proxy v 4.2 (RHEL 3) | RedHat | rhn-modperl-0:1.29-16.rhel3 | * |
| Red Hat Network Proxy v 4.2 (RHEL 4) | RedHat | jabberd-0:2.0s10-3.38.rhn | * |
| Red Hat Network Proxy v 4.2 (RHEL 4) | RedHat | rhn-apache-0:1.3.27-36.rhn.rhel4 | * |
| Red Hat Network Proxy v 4.2 (RHEL 4) | RedHat | rhn-modperl-0:1.29-16.rhel4 | * |
| Red Hat Network Proxy v 5.0 | RedHat | jabberd-0:2.0s10-3.38.rhn | * |
| Red Hat Network Proxy v 5.0 | RedHat | rhn-apache-0:1.3.27-36.rhn.rhel4 | * |
| Red Hat Network Proxy v 5.0 | RedHat | rhn-modperl-0:1.29-16.rhel4 | * |
| Red Hat Network Satellite Server v 4.2 | RedHat | jabberd-0:2.0s10-3.38.rhn | * |
| Red Hat Network Satellite Server v 4.2 | RedHat | java-1.4.2-ibm-0:1.4.2.10-1jpp.2.el4 | * |
| Red Hat Network Satellite Server v 4.2 | RedHat | jfreechart-0:0.9.20-3.rhn | * |
| Red Hat Network Satellite Server v 4.2 | RedHat | openmotif21-0:2.1.30-11.RHEL4.6 | * |
| Red Hat Network Satellite Server v 4.2 | RedHat | perl-Crypt-CBC-0:2.24-1.el4 | * |
| Red Hat Network Satellite Server v 4.2 | RedHat | rhn-apache-0:1.3.27-36.rhn.rhel4 | * |
| Red Hat Network Satellite Server v 4.2 | RedHat | rhn-modjk-0:1.2.23-2rhn.rhel4 | * |
| Red Hat Network Satellite Server v 4.2 | RedHat | rhn-modperl-0:1.29-16.rhel4 | * |
| Red Hat Network Satellite Server v 4.2 | RedHat | rhn-modssl-0:2.8.12-8.rhn.10.rhel4 | * |
| Red Hat Network Satellite Server v 4.2 | RedHat | tomcat5-0:5.0.30-0jpp_10rh | * |
| Red Hat Network Satellite Server v 4.2 (RHEL3) | RedHat | jabberd-0:2.0s10-3.37.rhn | * |
| Red Hat Network Satellite Server v 4.2 (RHEL3) | RedHat | java-1.4.2-ibm-0:1.4.2.10-1jpp.2.el3 | * |
| Red Hat Network Satellite Server v 4.2 (RHEL3) | RedHat | jfreechart-0:0.9.20-3.rhn | * |
| Red Hat Network Satellite Server v 4.2 (RHEL3) | RedHat | openmotif21-0:2.1.30-9.RHEL3.8 | * |
| Red Hat Network Satellite Server v 4.2 (RHEL3) | RedHat | perl-Crypt-CBC-0:2.24-1.el3 | * |
| Red Hat Network Satellite Server v 4.2 (RHEL3) | RedHat | rhn-apache-0:1.3.27-36.rhn.rhel3 | * |
| Red Hat Network Satellite Server v 4.2 (RHEL3) | RedHat | rhn-modjk-0:1.2.23-2rhn.rhel3 | * |
| Red Hat Network Satellite Server v 4.2 (RHEL3) | RedHat | rhn-modperl-0:1.29-16.rhel3 | * |
| Red Hat Network Satellite Server v 4.2 (RHEL3) | RedHat | rhn-modssl-0:2.8.12-8.rhn.10.rhel3 | * |
| Red Hat Network Satellite Server v 4.2 (RHEL3) | RedHat | tomcat5-0:5.0.30-0jpp_10rh | * |
| Red Hat Network Satellite Server v 5.0 | RedHat | jabberd-0:2.0s10-3.38.rhn | * |
| Red Hat Network Satellite Server v 5.0 | RedHat | java-1.4.2-ibm-0:1.4.2.10-1jpp.2.el4 | * |
| Red Hat Network Satellite Server v 5.0 | RedHat | jfreechart-0:0.9.20-3.rhn | * |
| Red Hat Network Satellite Server v 5.0 | RedHat | openmotif21-0:2.1.30-11.RHEL4.6 | * |
| Red Hat Network Satellite Server v 5.0 | RedHat | perl-Crypt-CBC-0:2.24-1.el4 | * |
| Red Hat Network Satellite Server v 5.0 | RedHat | rhn-apache-0:1.3.27-36.rhn.rhel4 | * |
| Red Hat Network Satellite Server v 5.0 | RedHat | rhn-modjk-0:1.2.23-2rhn.rhel4 | * |
| Red Hat Network Satellite Server v 5.0 | RedHat | rhn-modperl-0:1.29-16.rhel4 | * |
| Red Hat Network Satellite Server v 5.0 | RedHat | rhn-modssl-0:2.8.12-8.rhn.10.rhel4 | * |
| Red Hat Network Satellite Server v 5.0 | RedHat | tomcat5-0:5.0.30-0jpp_10rh | * |
| Red Hat Web Application Stack for RHEL 4 | RedHat | httpd-0:2.0.59-1.el4s1.7 | * |
| Apache2 | Ubuntu | dapper | * |
| Apache2 | Ubuntu | devel | * |
| Apache2 | Ubuntu | edgy | * |
| Apache2 | Ubuntu | feisty | * |