CVE-2020-13950
Fixed in a distro release EPSS 49%
Apache HTTP Server versions 2.4.41 to 2.4.46 mod_proxy_http can be made to crash (NULL pointer dereference) with specially crafted requests using both Content-Length and Transfer-Encoding headers, leading to a Denial of Service
Products: Apache Software Foundation Apache HTTP Server
Distro releases
| Release | Package | Fixed in |
|---|---|---|
| Alpine 3.10 | apache2 | 2.4.48-r0 |
| Alpine 3.11 | apache2 | 2.4.48-r0 |
| Alpine 3.12 | apache2 | 2.4.48-r0 |
| Alpine 3.13 | apache2 | 2.4.48-r0 |
| Alpine 3.14 | apache2 | 2.4.48-r0 |
| Alpine 3.15 | apache2 | 2.4.48-r0 |
| Alpine 3.16 | apache2 | 2.4.48-r0 |
| Alpine 3.17 | apache2 | 2.4.48-r0 |
| Alpine 3.18 | apache2 | 2.4.48-r0 |
| Alpine 3.19 | apache2 | 2.4.48-r0 |
| Alpine 3.20 | apache2 | 2.4.48-r0 |
| Alpine 3.21 | apache2 | 2.4.48-r0 |
| Alpine 3.22 | apache2 | 2.4.48-r0 |
| Alpine 3.23 | apache2 | 2.4.48-r0 |
| Alpine 3.24 | apache2 | 2.4.48-r0 |
| Arch Linux | apache | 2.4.47-1 |
| Debian 12 | apache2 | 2.4.46-6 |
| Debian 13 | apache2 | 2.4.46-6 |
| Debian 14 | apache2 | 2.4.46-6 |
| Red Hat Enterprise Linux 8 | httpd | 0:2.4.37-47.module+el8.6.0+15654+427eba2e.2 |
| Red Hat Enterprise Linux 8 | httpd-debuginfo | 0:2.4.37-47.module+el8.6.0+15654+427eba2e.2 |
| Red Hat Enterprise Linux 8 | httpd-debugsource | 0:2.4.37-47.module+el8.6.0+15654+427eba2e.2 |
| Red Hat Enterprise Linux 8 | httpd-devel | 0:2.4.37-47.module+el8.6.0+15654+427eba2e.2 |
| Red Hat Enterprise Linux 8 | httpd-filesystem | 0:2.4.37-47.module+el8.6.0+15654+427eba2e.2 |
| Red Hat Enterprise Linux 8 | httpd-manual | 0:2.4.37-47.module+el8.6.0+15654+427eba2e.2 |
| Red Hat Enterprise Linux 8 | httpd-tools | 0:2.4.37-47.module+el8.6.0+15654+427eba2e.2 |
| Red Hat Enterprise Linux 8 | httpd-tools-debuginfo | 0:2.4.37-47.module+el8.6.0+15654+427eba2e.2 |
| Red Hat Enterprise Linux 8 | mod_http2 | 0:1.15.7-5.module+el8.6.0+13996+01710940 |
| Red Hat Enterprise Linux 8 | mod_http2-debuginfo | 0:1.15.7-5.module+el8.6.0+13996+01710940 |
| Red Hat Enterprise Linux 8 | mod_http2-debugsource | 0:1.15.7-5.module+el8.6.0+13996+01710940 |
| Red Hat Enterprise Linux 8 | mod_ldap | 0:2.4.37-47.module+el8.6.0+15654+427eba2e.2 |
| Red Hat Enterprise Linux 8 | mod_ldap-debuginfo | 0:2.4.37-47.module+el8.6.0+15654+427eba2e.2 |
| 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 | 1:2.4.37-47.module+el8.6.0+15654+427eba2e.2 |
| Red Hat Enterprise Linux 8 | mod_proxy_html-debuginfo | 1:2.4.37-47.module+el8.6.0+15654+427eba2e.2 |
| Red Hat Enterprise Linux 8 | mod_session | 0:2.4.37-47.module+el8.6.0+15654+427eba2e.2 |
| Red Hat Enterprise Linux 8 | mod_session-debuginfo | 0:2.4.37-47.module+el8.6.0+15654+427eba2e.2 |
| Red Hat Enterprise Linux 8 | mod_ssl | 1:2.4.37-47.module+el8.6.0+15654+427eba2e.2 |
| Red Hat Enterprise Linux 8 | mod_ssl-debuginfo | 1:2.4.37-47.module+el8.6.0+15654+427eba2e.2 |
| Red Hat jboss core services 1 | jbcs-httpd24-apr | 0:1.6.3-107.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-apr | 0:1.6.3-107.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-apr-debuginfo | 0:1.6.3-107.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-apr-debuginfo | 0:1.6.3-107.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-apr-devel | 0:1.6.3-107.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-apr-devel | 0:1.6.3-107.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-apr-util | 0:1.6.1-84.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-apr-util | 0:1.6.1-84.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-apr-util-debuginfo | 0:1.6.1-84.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-apr-util-debuginfo | 0:1.6.1-84.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-apr-util-devel | 0:1.6.1-84.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-apr-util-devel | 0:1.6.1-84.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-apr-util-ldap | 0:1.6.1-84.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-apr-util-ldap | 0:1.6.1-84.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-apr-util-ldap-debuginfo | 0:1.6.1-84.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-apr-util-mysql | 0:1.6.1-84.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-apr-util-mysql | 0:1.6.1-84.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-apr-util-mysql-debuginfo | 0:1.6.1-84.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-apr-util-nss | 0:1.6.1-84.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-apr-util-nss | 0:1.6.1-84.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-apr-util-nss-debuginfo | 0:1.6.1-84.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-apr-util-odbc | 0:1.6.1-84.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-apr-util-odbc | 0:1.6.1-84.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-apr-util-odbc-debuginfo | 0:1.6.1-84.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-apr-util-openssl | 0:1.6.1-84.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-apr-util-openssl | 0:1.6.1-84.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-apr-util-openssl-debuginfo | 0:1.6.1-84.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-apr-util-pgsql | 0:1.6.1-84.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-apr-util-pgsql | 0:1.6.1-84.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-apr-util-pgsql-debuginfo | 0:1.6.1-84.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-apr-util-sqlite | 0:1.6.1-84.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-apr-util-sqlite | 0:1.6.1-84.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-apr-util-sqlite-debuginfo | 0:1.6.1-84.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-curl | 0:7.78.0-2.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-curl | 0:7.78.0-2.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-curl-debuginfo | 0:7.78.0-2.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-curl-debuginfo | 0:7.78.0-2.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-httpd | 0:2.4.37-78.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-httpd | 0:2.4.37-78.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-httpd-debuginfo | 0:2.4.37-78.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-httpd-debuginfo | 0:2.4.37-78.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-httpd-devel | 0:2.4.37-78.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-httpd-devel | 0:2.4.37-78.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-httpd-manual | 0:2.4.37-78.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-httpd-manual | 0:2.4.37-78.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-httpd-selinux | 0:2.4.37-78.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-httpd-selinux | 0:2.4.37-78.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-httpd-tools | 0:2.4.37-78.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-httpd-tools | 0:2.4.37-78.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-httpd-tools-debuginfo | 0:2.4.37-78.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-libcurl | 0:7.78.0-2.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-libcurl | 0:7.78.0-2.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-libcurl-debuginfo | 0:7.78.0-2.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-libcurl-devel | 0:7.78.0-2.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-libcurl-devel | 0:7.78.0-2.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_cluster-native | 0:1.3.16-9.Final_redhat_2.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_cluster-native | 0:1.3.16-9.Final_redhat_2.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_cluster-native-debuginfo | 0:1.3.16-9.Final_redhat_2.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_cluster-native-debuginfo | 0:1.3.16-9.Final_redhat_2.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_http2 | 0:1.15.7-21.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_http2 | 0:1.15.7-21.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_http2-debuginfo | 0:1.15.7-21.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_http2-debuginfo | 0:1.15.7-21.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_jk | 0:1.2.48-20.redhat_1.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_jk | 0:1.2.48-20.redhat_1.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_jk-ap24 | 0:1.2.48-20.redhat_1.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_jk-ap24 | 0:1.2.48-20.redhat_1.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_jk-ap24-debuginfo | 0:1.2.48-20.redhat_1.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_jk-debuginfo | 0:1.2.48-20.redhat_1.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_jk-manual | 0:1.2.48-20.redhat_1.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_jk-manual | 0:1.2.48-20.redhat_1.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_ldap | 0:2.4.37-78.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_ldap | 0:2.4.37-78.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_ldap-debuginfo | 0:2.4.37-78.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_md | 1:2.0.8-40.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_md | 1:2.0.8-40.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_md-debuginfo | 1:2.0.8-40.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_md-debuginfo | 1:2.0.8-40.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_proxy_html | 1:2.4.37-78.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_proxy_html | 1:2.4.37-78.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_proxy_html-debuginfo | 1:2.4.37-78.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_security | 0:2.9.2-67.GA.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_security | 0:2.9.2-67.GA.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_security-debuginfo | 0:2.9.2-67.GA.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_security-debuginfo | 0:2.9.2-67.GA.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_session | 0:2.4.37-78.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_session | 0:2.4.37-78.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_session-debuginfo | 0:2.4.37-78.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_ssl | 1:2.4.37-78.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_ssl | 1:2.4.37-78.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-mod_ssl-debuginfo | 1:2.4.37-78.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-nghttp2 | 0:1.39.2-39.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-nghttp2 | 0:1.39.2-39.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-nghttp2-debuginfo | 0:1.39.2-39.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-nghttp2-debuginfo | 0:1.39.2-39.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-nghttp2-devel | 0:1.39.2-39.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-nghttp2-devel | 0:1.39.2-39.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-openssl | 1:1.1.1g-8.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-openssl | 1:1.1.1g-8.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-openssl-chil | 0:1.0.0-7.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-openssl-chil | 0:1.0.0-7.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-openssl-chil-debuginfo | 0:1.0.0-7.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-openssl-chil-debuginfo | 0:1.0.0-7.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-openssl-debuginfo | 1:1.1.1g-8.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-openssl-debuginfo | 1:1.1.1g-8.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-openssl-devel | 1:1.1.1g-8.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-openssl-devel | 1:1.1.1g-8.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-openssl-libs | 1:1.1.1g-8.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-openssl-libs | 1:1.1.1g-8.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-openssl-libs-debuginfo | 1:1.1.1g-8.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-openssl-perl | 1:1.1.1g-8.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-openssl-perl | 1:1.1.1g-8.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-openssl-pkcs11 | 0:0.4.10-22.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-openssl-pkcs11 | 0:0.4.10-22.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-openssl-pkcs11-debuginfo | 0:0.4.10-22.el8jbcs |
| Red Hat jboss core services 1 | jbcs-httpd24-openssl-pkcs11-debuginfo | 0:0.4.10-22.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-openssl-static | 1:1.1.1g-8.jbcs.el7 |
| Red Hat jboss core services 1 | jbcs-httpd24-openssl-static | 1:1.1.1g-8.el8jbcs |
| Rocky Linux 8 | httpd | 0:2.4.37-47.module+el8.6.0+823+f143cee1.1 |
| Rocky Linux 8 | mod_http2 | 0:1.15.7-5.module+el8.6.0+823+f143cee1 |
| Rocky Linux 8 | mod_md | 1:2.0.8-8.module+el8.4.0+553+7a69454b |
| Rocky Linux 8 | mod_md | 1:2.0.8-8.module+el8.5.0+695+1fa8055e |
| SUSE Linux Enterprise Module for Basesystem 15 SP2 | apache2 | 2.4.43-3.22.1 |
| SUSE Linux Enterprise Module for Basesystem 15 SP3 | apache2 | 2.4.43-3.22.1 |
| SUSE Linux Enterprise Module for Package Hub 15 SP3 | apache2 | 2.4.43-3.22.1 |
| SUSE Linux Enterprise Module for Server Applications 15 SP2 | apache2 | 2.4.43-3.22.1 |
| SUSE Linux Enterprise Module for Server Applications 15 SP3 | apache2 | 2.4.43-3.22.1 |
| Ubuntu 18.04 LTS | apache2 | 2.4.29-1ubuntu4.16 |
| Ubuntu 20.04 LTS | apache2 | 2.4.41-4ubuntu3.3 |
| openSUSE Leap 15.2 | apache2 | 2.4.43-lp152.2.15.1 |
| openSUSE Leap 15.3 | apache2 | 2.4.43-3.22.1 |