A crafted method sent through HTTP/2 will bypass validation and be forwarded by mod_proxy, which can lead to request splitting or cache poisoning. This issue affects Apache HTTP Server 2.4.17 to 2.4.48.
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "2.4.29-1ubuntu4.17", "binary_name": "apache2" }, { "binary_version": "2.4.29-1ubuntu4.17", "binary_name": "apache2-bin" }, { "binary_version": "2.4.29-1ubuntu4.17", "binary_name": "apache2-data" }, { "binary_version": "2.4.29-1ubuntu4.17", "binary_name": "apache2-dbg" }, { "binary_version": "2.4.29-1ubuntu4.17", "binary_name": "apache2-dev" }, { "binary_version": "2.4.29-1ubuntu4.17", "binary_name": "apache2-doc" }, { "binary_version": "2.4.29-1ubuntu4.17", "binary_name": "apache2-ssl-dev" }, { "binary_version": "2.4.29-1ubuntu4.17", "binary_name": "apache2-suexec-custom" }, { "binary_version": "2.4.29-1ubuntu4.17", "binary_name": "apache2-suexec-pristine" }, { "binary_version": "2.4.29-1ubuntu4.17", "binary_name": "apache2-utils" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "binary_version": "2.4.41-4ubuntu3.5", "binary_name": "apache2" }, { "binary_version": "2.4.41-4ubuntu3.5", "binary_name": "apache2-bin" }, { "binary_version": "2.4.41-4ubuntu3.5", "binary_name": "apache2-bin-dbgsym" }, { "binary_version": "2.4.41-4ubuntu3.5", "binary_name": "apache2-data" }, { "binary_version": "2.4.41-4ubuntu3.5", "binary_name": "apache2-dev" }, { "binary_version": "2.4.41-4ubuntu3.5", "binary_name": "apache2-doc" }, { "binary_version": "2.4.41-4ubuntu3.5", "binary_name": "apache2-ssl-dev" }, { "binary_version": "2.4.41-4ubuntu3.5", "binary_name": "apache2-suexec-custom" }, { "binary_version": "2.4.41-4ubuntu3.5", "binary_name": "apache2-suexec-custom-dbgsym" }, { "binary_version": "2.4.41-4ubuntu3.5", "binary_name": "apache2-suexec-pristine" }, { "binary_version": "2.4.41-4ubuntu3.5", "binary_name": "apache2-suexec-pristine-dbgsym" }, { "binary_version": "2.4.41-4ubuntu3.5", "binary_name": "apache2-utils" }, { "binary_version": "2.4.41-4ubuntu3.5", "binary_name": "apache2-utils-dbgsym" }, { "binary_version": "2.4.41-4ubuntu3.5", "binary_name": "libapache2-mod-md" }, { "binary_version": "2.4.41-4ubuntu3.5", "binary_name": "libapache2-mod-proxy-uwsgi" } ] }