CVE-2020-1927
Fixed in a distro release EPSS 57%
In Apache HTTP Server 2.4.0 to 2.4.41, redirects configured with mod_rewrite that were intended to be self-referential might be fooled by encoded newlines and redirect instead to an an unexpected URL within the request URL.
Products: Apache HTTP Server
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| AlmaLinux 8 | mod_md | 1:2.0.8-8.module_el8.5.0+2609+b30d9eec |
| AlmaLinux 8 | mod_md | 1:2.0.8-8.module_el8.6.0+2872+fe0ff7aa |
| Alpine 3.10 | apache2 | 2.4.43-r0 |
| Alpine 3.11 | apache2 | 2.4.43-r0 |
| Alpine 3.12 | apache2 | 2.4.43-r0 |
| Alpine 3.13 | apache2 | 2.4.43-r0 |
| Alpine 3.14 | apache2 | 2.4.43-r0 |
| Alpine 3.15 | apache2 | 2.4.43-r0 |
| Alpine 3.16 | apache2 | 2.4.43-r0 |
| Alpine 3.17 | apache2 | 2.4.43-r0 |
| Alpine 3.18 | apache2 | 2.4.43-r0 |
| Alpine 3.19 | apache2 | 2.4.43-r0 |
| Alpine 3.20 | apache2 | 2.4.43-r0 |
| Alpine 3.21 | apache2 | 2.4.43-r0 |
| Alpine 3.22 | apache2 | 2.4.43-r0 |
| Alpine 3.23 | apache2 | 2.4.43-r0 |
| Alpine 3.24 | apache2 | 2.4.43-r0 |
| Alpine 3.8 | apache2 | 2.4.43-r0 |
| Alpine 3.9 | apache2 | 2.4.43-r0 |
| Arch Linux | apache | 2.4.43-1 |
| Debian 10 | apache2 | 2.4.38-3+deb10u9 |
| Debian 10 | apache2 | 2.4.38-3+deb10u4 |
| Debian 12 | apache2 | 2.4.43-1 |
| Debian 13 | apache2 | 2.4.43-1 |
| Debian 14 | apache2 | 2.4.43-1 |
| Debian 9 | apache2 | 2.4.25-3+deb9u10 |
| Red Hat Enterprise Linux 7 | httpd | 0:2.4.6-95.el7 |
| Red Hat Enterprise Linux 7 | httpd-debuginfo | 0:2.4.6-95.el7 |
| Red Hat Enterprise Linux 7 | httpd-devel | 0:2.4.6-95.el7 |
| Red Hat Enterprise Linux 7 | httpd-manual | 0:2.4.6-95.el7 |
| Red Hat Enterprise Linux 7 | httpd-tools | 0:2.4.6-95.el7 |
| Red Hat Enterprise Linux 7 | mod_ldap | 0:2.4.6-95.el7 |
| Red Hat Enterprise Linux 7 | mod_proxy_html | 1:2.4.6-95.el7 |
| Red Hat Enterprise Linux 7 | mod_session | 0:2.4.6-95.el7 |
| Red Hat Enterprise Linux 7 | mod_ssl | 1:2.4.6-95.el7 |
| Red Hat Enterprise Linux 8 | httpd | 0:2.4.37-30.module+el8.3.0+7001+0766b9e7 |
| Red Hat Enterprise Linux 8 | httpd-debuginfo | 0:2.4.37-30.module+el8.3.0+7001+0766b9e7 |
| Red Hat Enterprise Linux 8 | httpd-debugsource | 0:2.4.37-30.module+el8.3.0+7001+0766b9e7 |
| Red Hat Enterprise Linux 8 | httpd-devel | 0:2.4.37-30.module+el8.3.0+7001+0766b9e7 |
| Red Hat Enterprise Linux 8 | httpd-filesystem | 0:2.4.37-30.module+el8.3.0+7001+0766b9e7 |
| Red Hat Enterprise Linux 8 | httpd-manual | 0:2.4.37-30.module+el8.3.0+7001+0766b9e7 |
| Red Hat Enterprise Linux 8 | httpd-tools | 0:2.4.37-30.module+el8.3.0+7001+0766b9e7 |
| Red Hat Enterprise Linux 8 | httpd-tools-debuginfo | 0:2.4.37-30.module+el8.3.0+7001+0766b9e7 |
| Red Hat Enterprise Linux 8 | mod_http2 | 0:1.15.7-2.module+el8.3.0+7670+8bf57d29 |
| Red Hat Enterprise Linux 8 | mod_http2-debuginfo | 0:1.15.7-2.module+el8.3.0+7670+8bf57d29 |
| Red Hat Enterprise Linux 8 | mod_http2-debugsource | 0:1.15.7-2.module+el8.3.0+7670+8bf57d29 |
| Red Hat Enterprise Linux 8 | mod_ldap | 0:2.4.37-30.module+el8.3.0+7001+0766b9e7 |
| Red Hat Enterprise Linux 8 | mod_ldap-debuginfo | 0:2.4.37-30.module+el8.3.0+7001+0766b9e7 |
| Red Hat Enterprise Linux 8 | mod_md | 1:2.0.8-8.module+el8.3.0+6814+67d1e611 |
| Red Hat Enterprise Linux 8 | mod_md-debuginfo | 1:2.0.8-8.module+el8.3.0+6814+67d1e611 |
| Red Hat Enterprise Linux 8 | mod_md-debugsource | 1:2.0.8-8.module+el8.3.0+6814+67d1e611 |
| Red Hat Enterprise Linux 8 | mod_proxy_html | 1:2.4.37-30.module+el8.3.0+7001+0766b9e7 |
| Red Hat Enterprise Linux 8 | mod_proxy_html-debuginfo | 1:2.4.37-30.module+el8.3.0+7001+0766b9e7 |
| Red Hat Enterprise Linux 8 | mod_session | 0:2.4.37-30.module+el8.3.0+7001+0766b9e7 |
| Red Hat Enterprise Linux 8 | mod_session-debuginfo | 0:2.4.37-30.module+el8.3.0+7001+0766b9e7 |
| Red Hat Enterprise Linux 8 | mod_ssl | 1:2.4.37-30.module+el8.3.0+7001+0766b9e7 |
| Red Hat Enterprise Linux 8 | mod_ssl-debuginfo | 1:2.4.37-30.module+el8.3.0+7001+0766b9e7 |
| Red Hat jboss core services 1 | jbcs-httpd24-apr | 0:1.6.3-86.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-apr | 0:1.6.3-86.jbcs.el6 |
| Red Hat jboss core services 1 | jbcs-httpd24-apr-debuginfo | 0:1.6.3-86.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-apr-debuginfo | 0:1.6.3-86.jbcs.el6 |
| Red Hat jboss core services 1 | jbcs-httpd24-apr-devel | 0:1.6.3-86.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-apr-devel | 0:1.6.3-86.jbcs.el6 |
| Red Hat jboss core services 1 | jbcs-httpd24-brotli | 0:1.0.6-21.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-brotli | 0:1.0.6-21.jbcs.el6 |
| Red Hat jboss core services 1 | jbcs-httpd24-brotli-debuginfo | 0:1.0.6-21.jbcs.el6 |
| Red Hat jboss core services 1 | jbcs-httpd24-brotli-debuginfo | 0:1.0.6-21.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-brotli-devel | 0:1.0.6-21.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-brotli-devel | 0:1.0.6-21.jbcs.el6 |
| Red Hat jboss core services 1 | jbcs-httpd24-httpd | 0:2.4.37-52.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-httpd | 0:2.4.37-52.jbcs.el6 |
| Red Hat jboss core services 1 | jbcs-httpd24-httpd-debuginfo | 0:2.4.37-52.jbcs.el6 |
| Red Hat jboss core services 1 | jbcs-httpd24-httpd-debuginfo | 0:2.4.37-52.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-httpd-devel | 0:2.4.37-52.jbcs.el6 |
| Red Hat jboss core services 1 | jbcs-httpd24-httpd-devel | 0:2.4.37-52.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-httpd-manual | 0:2.4.37-52.jbcs.el6 |
| Red Hat jboss core services 1 | jbcs-httpd24-httpd-manual | 0:2.4.37-52.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-httpd-selinux | 0:2.4.37-52.jbcs.el6 |
| Red Hat jboss core services 1 | jbcs-httpd24-httpd-selinux | 0:2.4.37-52.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-httpd-tools | 0:2.4.37-52.jbcs.el6 |
| Red Hat jboss core services 1 | jbcs-httpd24-httpd-tools | 0:2.4.37-52.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_cluster-native | 0:1.3.12-41.Final_redhat_2.jbcs.el6 |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_cluster-native | 0:1.3.12-41.Final_redhat_2.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_cluster-native-debuginfo | 0:1.3.12-41.Final_redhat_2.jbcs.el6 |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_cluster-native-debuginfo | 0:1.3.12-41.Final_redhat_2.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_http2 | 0:1.11.3-22.jbcs.el6 |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_http2 | 0:1.11.3-22.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_http2-debuginfo | 0:1.11.3-22.jbcs.el6 |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_http2-debuginfo | 0:1.11.3-22.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_ldap | 0:2.4.37-52.jbcs.el6 |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_ldap | 0:2.4.37-52.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_proxy_html | 1:2.4.37-52.jbcs.el6 |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_proxy_html | 1:2.4.37-52.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_session | 0:2.4.37-52.jbcs.el6 |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_session | 0:2.4.37-52.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_ssl | 1:2.4.37-52.jbcs.el6 |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_ssl | 1:2.4.37-52.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-openssl | 1:1.1.1c-16.jbcs.el6 |
| Red Hat jboss core services 1 | jbcs-httpd24-openssl | 1:1.1.1c-16.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-openssl-debuginfo | 1:1.1.1c-16.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-openssl-debuginfo | 1:1.1.1c-16.jbcs.el6 |
| Red Hat jboss core services 1 | jbcs-httpd24-openssl-devel | 1:1.1.1c-16.jbcs.el6 |
| Red Hat jboss core services 1 | jbcs-httpd24-openssl-devel | 1:1.1.1c-16.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-openssl-libs | 1:1.1.1c-16.jbcs.el6 |
| Red Hat jboss core services 1 | jbcs-httpd24-openssl-libs | 1:1.1.1c-16.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-openssl-perl | 1:1.1.1c-16.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-openssl-perl | 1:1.1.1c-16.jbcs.el6 |
| Red Hat jboss core services 1 | jbcs-httpd24-openssl-static | 1:1.1.1c-16.jbcs.el6 |
| Red Hat jboss core services 1 | jbcs-httpd24-openssl-static | 1:1.1.1c-16.jbcs.el7 |
| Red Hat rhel software collections 3 | httpd24-httpd | 0:2.4.34-18.el6 |
| Red Hat rhel software collections 3 | httpd24-httpd | 0:2.4.34-18.el7 |
| Red Hat rhel software collections 3 | httpd24-httpd-debuginfo | 0:2.4.34-18.el6 |
| Red Hat rhel software collections 3 | httpd24-httpd-debuginfo | 0:2.4.34-18.el7 |
| Red Hat rhel software collections 3 | httpd24-httpd-devel | 0:2.4.34-18.el6 |
| Red Hat rhel software collections 3 | httpd24-httpd-devel | 0:2.4.34-18.el7 |
| Red Hat rhel software collections 3 | httpd24-httpd-manual | 0:2.4.34-18.el6 |
| Red Hat rhel software collections 3 | httpd24-httpd-manual | 0:2.4.34-18.el7 |
| Red Hat rhel software collections 3 | httpd24-httpd-tools | 0:2.4.34-18.el6 |
| Red Hat rhel software collections 3 | httpd24-httpd-tools | 0:2.4.34-18.el7 |
| Red Hat rhel software collections 3 | httpd24-mod_ldap | 0:2.4.34-18.el6 |
| Red Hat rhel software collections 3 | httpd24-mod_ldap | 0:2.4.34-18.el7 |
| Red Hat rhel software collections 3 | httpd24-mod_md | 1:2.0.8-1.el7 |
| Red Hat rhel software collections 3 | httpd24-mod_md-debuginfo | 1:2.0.8-1.el7 |
| Red Hat rhel software collections 3 | httpd24-mod_proxy_html | 1:2.4.34-18.el6 |
| Red Hat rhel software collections 3 | httpd24-mod_proxy_html | 1:2.4.34-18.el7 |
| Red Hat rhel software collections 3 | httpd24-mod_session | 0:2.4.34-18.el7 |
| Red Hat rhel software collections 3 | httpd24-mod_session | 0:2.4.34-18.el6 |
| Red Hat rhel software collections 3 | httpd24-mod_ssl | 1:2.4.34-18.el6 |
| Red Hat rhel software collections 3 | httpd24-mod_ssl | 1:2.4.34-18.el7 |
| Rocky Linux 8 | mod_md | 1:2.0.8-8.module+el8.5.0+695+1fa8055e |
| Rocky Linux 8 | mod_md | 1:2.0.8-8.module+el8.4.0+553+7a69454b |
| SUSE Enterprise Storage 5 | apache2 | 2.4.23-29.54.1 |
| SUSE HPE Helion OpenStack 8 | apache2 | 2.4.23-29.54.1 |
| SUSE Linux Enterprise High Performance Computing 15-ESPOS | apache2 | 2.4.33-3.30.1 |
| SUSE Linux Enterprise High Performance Computing 15-LTSS | apache2 | 2.4.33-3.30.1 |
| SUSE Linux Enterprise Module for Server Applications 15 SP1 | apache2 | 2.4.33-3.30.1 |
| SUSE Linux Enterprise Server 12 SP1-LTSS | apache2 | 2.4.16-20.29.1 |
| SUSE Linux Enterprise Server 12 SP2-BCL | apache2 | 2.4.23-29.54.1 |
| SUSE Linux Enterprise Server 12 SP2-LTSS | apache2 | 2.4.23-29.54.1 |
| SUSE Linux Enterprise Server 12 SP3-BCL | apache2 | 2.4.23-29.54.1 |
| SUSE Linux Enterprise Server 12 SP3-LTSS | apache2 | 2.4.23-29.54.1 |
| SUSE Linux Enterprise Server 12 SP4 | apache2 | 2.4.23-29.54.1 |
| SUSE Linux Enterprise Server 12 SP5 | apache2 | 2.4.23-29.54.1 |
| SUSE Linux Enterprise Server 15-LTSS | apache2 | 2.4.33-3.30.1 |
| SUSE Linux Enterprise Server for SAP Applications 12 SP1 | apache2 | 2.4.16-20.29.1 |
| SUSE Linux Enterprise Server for SAP Applications 12 SP2 | apache2 | 2.4.23-29.54.1 |
| SUSE Linux Enterprise Server for SAP Applications 12 SP3 | apache2 | 2.4.23-29.54.1 |
| SUSE Linux Enterprise Server for SAP Applications 12 SP4 | apache2 | 2.4.23-29.54.1 |
| SUSE Linux Enterprise Server for SAP Applications 12 SP5 | apache2 | 2.4.23-29.54.1 |
| SUSE Linux Enterprise Server for SAP Applications 15 | apache2 | 2.4.33-3.30.1 |
| SUSE Linux Enterprise Software Development Kit 12 SP4 | apache2 | 2.4.23-29.54.1 |
| SUSE Linux Enterprise Software Development Kit 12 SP5 | apache2 | 2.4.23-29.54.1 |
| SUSE OpenStack Cloud 7 | apache2 | 2.4.23-29.54.1 |
| SUSE OpenStack Cloud 8 | apache2 | 2.4.23-29.54.1 |
| SUSE OpenStack Cloud Crowbar 8 | apache2 | 2.4.23-29.54.1 |
| Ubuntu 16.04 LTS | apache2 | 2.4.18-2ubuntu3.17 |
| Ubuntu 18.04 LTS | apache2 | 2.4.29-1ubuntu4.14 |
| Ubuntu 20.04 LTS | apache2 | 2.4.41-4ubuntu3.1 |
| Ubuntu Pro 14.04 LTS | apache2 | no fix |
| openSUSE Leap 15.1 | apache2 | 2.4.33-lp151.8.12.1 |