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": [ { "apache2-ssl-dev": "2.4.29-1ubuntu4.17", "apache2-dbg": "2.4.29-1ubuntu4.17", "apache2-dev": "2.4.29-1ubuntu4.17", "apache2-bin": "2.4.29-1ubuntu4.17", "apache2-data": "2.4.29-1ubuntu4.17", "apache2-suexec-pristine": "2.4.29-1ubuntu4.17", "apache2-doc": "2.4.29-1ubuntu4.17", "apache2": "2.4.29-1ubuntu4.17", "apache2-utils": "2.4.29-1ubuntu4.17", "apache2-suexec-custom": "2.4.29-1ubuntu4.17" } ] }
{ "availability": "No subscription required", "ubuntu_priority": "medium", "binaries": [ { "apache2-suexec-pristine-dbgsym": "2.4.41-4ubuntu3.5", "apache2-suexec-custom": "2.4.41-4ubuntu3.5", "apache2-dev": "2.4.41-4ubuntu3.5", "apache2-bin": "2.4.41-4ubuntu3.5", "apache2-suexec-pristine": "2.4.41-4ubuntu3.5", "apache2-doc": "2.4.41-4ubuntu3.5", "libapache2-mod-md": "2.4.41-4ubuntu3.5", "apache2": "2.4.41-4ubuntu3.5", "apache2-utils-dbgsym": "2.4.41-4ubuntu3.5", "apache2-data": "2.4.41-4ubuntu3.5", "libapache2-mod-proxy-uwsgi": "2.4.41-4ubuntu3.5", "apache2-suexec-custom-dbgsym": "2.4.41-4ubuntu3.5", "apache2-bin-dbgsym": "2.4.41-4ubuntu3.5", "apache2-utils": "2.4.41-4ubuntu3.5", "apache2-ssl-dev": "2.4.41-4ubuntu3.5" } ] }