The mod_headers module in the Apache HTTP Server 2.2.22 allows remote attackers to bypass RequestHeader unset directives by placing a header in the trailer portion of data sent with chunked transfer coding. NOTE: the vendor states this is not a security issue in httpd as such.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Http_server | Apache | 2.2.0 (including) | 2.2.0 (including) |
| Http_server | Apache | 2.2.2 (including) | 2.2.2 (including) |
| Http_server | Apache | 2.2.3 (including) | 2.2.3 (including) |
| Http_server | Apache | 2.2.4 (including) | 2.2.4 (including) |
| Http_server | Apache | 2.2.5 (including) | 2.2.5 (including) |
| Http_server | Apache | 2.2.6 (including) | 2.2.6 (including) |
| Http_server | Apache | 2.2.8 (including) | 2.2.8 (including) |
| Http_server | Apache | 2.2.9 (including) | 2.2.9 (including) |
| Http_server | Apache | 2.2.10 (including) | 2.2.10 (including) |
| Http_server | Apache | 2.2.11 (including) | 2.2.11 (including) |
| Http_server | Apache | 2.2.12 (including) | 2.2.12 (including) |
| Http_server | Apache | 2.2.13 (including) | 2.2.13 (including) |
| Http_server | Apache | 2.2.14 (including) | 2.2.14 (including) |
| Http_server | Apache | 2.2.15 (including) | 2.2.15 (including) |
| Http_server | Apache | 2.2.16 (including) | 2.2.16 (including) |
| Http_server | Apache | 2.2.17 (including) | 2.2.17 (including) |
| Http_server | Apache | 2.2.18 (including) | 2.2.18 (including) |
| Http_server | Apache | 2.2.19 (including) | 2.2.19 (including) |
| Http_server | Apache | 2.2.20 (including) | 2.2.20 (including) |
| Http_server | Apache | 2.2.21 (including) | 2.2.21 (including) |
| Http_server | Apache | 2.2.22 (including) | 2.2.22 (including) |
| Http_server | Apache | 2.2.23 (including) | 2.2.23 (including) |
| Http_server | Apache | 2.2.24 (including) | 2.2.24 (including) |
| Http_server | Apache | 2.2.25 (including) | 2.2.25 (including) |
| Http_server | Apache | 2.2.26 (including) | 2.2.26 (including) |
| Http_server | Apache | 2.2.27 (including) | 2.2.27 (including) |
| Http_server | Apache | 2.4.1 (including) | 2.4.1 (including) |
| Http_server | Apache | 2.4.2 (including) | 2.4.2 (including) |
| Http_server | Apache | 2.4.3 (including) | 2.4.3 (including) |
| Http_server | Apache | 2.4.4 (including) | 2.4.4 (including) |
| Http_server | Apache | 2.4.6 (including) | 2.4.6 (including) |
| Http_server | Apache | 2.4.7 (including) | 2.4.7 (including) |
| Http_server | Apache | 2.4.9 (including) | 2.4.9 (including) |
| Http_server | Apache | 2.4.10 (including) | 2.4.10 (including) |
| Red Hat Enterprise Linux 6 | RedHat | httpd-0:2.2.15-45.el6 | * |
| Red Hat Enterprise Linux 7 | RedHat | httpd-0:2.4.6-31.el7 | * |
| Red Hat JBoss Enterprise Web Server 2 for RHEL 5 | RedHat | httpd-0:2.2.26-41.ep6.el5 | * |
| Red Hat JBoss Enterprise Web Server 2 for RHEL 5 | RedHat | mod_cluster-native-0:1.2.9-6.Final_redhat_2.ep6.el5 | * |
| Red Hat JBoss Enterprise Web Server 2 for RHEL 6 | RedHat | httpd-0:2.2.26-41.ep6.el6 | * |
| Red Hat JBoss Enterprise Web Server 2 for RHEL 6 | RedHat | mod_cluster-native-0:1.2.9-6.Final_redhat_2.ep6.el6 | * |
| Red Hat JBoss Enterprise Web Server 2 for RHEL 7 | RedHat | httpd22-0:2.2.26-42.ep6.el7 | * |
| Red Hat JBoss Enterprise Web Server 2 for RHEL 7 | RedHat | mod_cluster-native-0:1.2.9-6.Final_redhat_2.ep6.el7 | * |
| Red Hat JBoss Web Server 2.1 | RedHat | httpd | * |
| Red Hat JBoss Web Server 3.0 | RedHat | * | |
| Red Hat JBoss Web Server 3 for RHEL 6 | RedHat | apache-commons-collections-eap6-0:3.2.1-18.redhat_7.1.ep6.el6 | * |
| Red Hat JBoss Web Server 3 for RHEL 6 | RedHat | httpd24-0:2.4.6-59.ep7.el6 | * |
| Red Hat JBoss Web Server 3 for RHEL 6 | RedHat | mod_bmx-0:0.9.5-7.GA.ep7.el6 | * |
| Red Hat JBoss Web Server 3 for RHEL 6 | RedHat | mod_cluster-native-0:1.3.1-6.Final_redhat_2.ep7.el6 | * |
| Red Hat JBoss Web Server 3 for RHEL 6 | RedHat | tomcat7-0:7.0.59-42_patch_01.ep7.el6 | * |
| Red Hat JBoss Web Server 3 for RHEL 6 | RedHat | tomcat8-0:8.0.18-52_patch_01.ep7.el6 | * |
| Red Hat JBoss Web Server 3 for RHEL 6 | RedHat | tomcat-vault-0:1.0.8-4.Final_redhat_4.1.ep7.el6 | * |
| Red Hat JBoss Web Server 3 for RHEL 7 | RedHat | apache-commons-collections-eap6-0:3.2.1-18.redhat_7.1.ep6.el7 | * |
| Red Hat JBoss Web Server 3 for RHEL 7 | RedHat | httpd24-0:2.4.6-59.ep7.el7 | * |
| Red Hat JBoss Web Server 3 for RHEL 7 | RedHat | mod_bmx-0:0.9.5-7.GA.ep7.el7 | * |
| Red Hat JBoss Web Server 3 for RHEL 7 | RedHat | mod_cluster-native-0:1.3.1-6.Final_redhat_2.ep7.el7 | * |
| Red Hat JBoss Web Server 3 for RHEL 7 | RedHat | tomcat7-0:7.0.59-42_patch_01.ep7.el7 | * |
| Red Hat JBoss Web Server 3 for RHEL 7 | RedHat | tomcat8-0:8.0.18-52_patch_01.ep7.el7 | * |
| Red Hat JBoss Web Server 3 for RHEL 7 | RedHat | tomcat-vault-0:1.0.8-4.Final_redhat_4.1.ep7.el7 | * |
| Red Hat Software Collections 1 for Red Hat Enterprise Linux 6 | RedHat | httpd24-httpd-0:2.4.6-22.el6 | * |
| Red Hat Software Collections 1 for Red Hat Enterprise Linux 6.4 EUS | RedHat | httpd24-httpd-0:2.4.6-22.el6 | * |
| Red Hat Software Collections 1 for Red Hat Enterprise Linux 6.5 EUS | RedHat | httpd24-httpd-0:2.4.6-22.el6 | * |
| Red Hat Software Collections 1 for Red Hat Enterprise Linux 6.6 EUS | RedHat | httpd24-httpd-0:2.4.6-22.el6 | * |
| Red Hat Software Collections 1 for Red Hat Enterprise Linux 7 | RedHat | httpd24-httpd-0:2.4.6-25.el7 | * |
| Apache2 | Ubuntu | lucid | * |
| Apache2 | Ubuntu | precise | * |
| Apache2 | Ubuntu | quantal | * |
| Apache2 | Ubuntu | saucy | * |
| Apache2 | Ubuntu | trusty | * |
| Apache2 | Ubuntu | upstream | * |
| Apache2 | Ubuntu | utopic | * |