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Use After Free vulnerability in Apache HTTP Server's mod_rewrite when using lookahead (%{LA-U:HTTP:...})
This issue affects Apache HTTP Server: from 2.4.0 through 2.4.68.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade httpd-develUpgrade httpd-toolsUpgrade httpdUpgrade mod_proxy_htmlUpgrade mod_luaUpgrade mod_sslUpgrade mod_ldapUpgrade httpd-coreUpgrade mod_sessionUpgrade httpd-filesystemUpgrade httpd-manual | Oct 25, 2026 | Oct 22, 2026 |
| Alpine Linux | — | Upgrade apache2 | Oct 5, 2026 | Oct 1, 2026 |
| Amazon Linux Ami 2 | — | Upgrade httpd-filesystemUpgrade mod_http2Upgrade mod_ldapUpgrade mod_sessionUpgrade httpd-toolsUpgrade httpd-develUpgrade httpd-manualUpgrade mod_proxy_htmlUpgrade httpd-debuginfoUpgrade mod_sslUpgrade httpdUpgrade mod_md | Oct 19, 2026 | Oct 19, 2026 |
| Amazon_linux_2023 | — | Upgrade mod_http2-debuginfoUpgrade mod_sessionUpgrade httpd-filesystemUpgrade mod_proxy_html-debuginfoUpgrade mod_sslUpgrade mod_ldapUpgrade httpd-debuginfoUpgrade mod_session-debuginfoUpgrade mod_http2Upgrade mod_luaUpgrade mod_ssl-debuginfoUpgrade mod_proxy_htmlUpgrade httpd-tools-debuginfoUpgrade httpd-core-debuginfoUpgrade httpd-manualUpgrade httpd-coreUpgrade httpd-toolsUpgrade mod_ldap-debuginfoUpgrade httpd-develUpgrade httpd-debugsourceUpgrade mod_lua-debuginfoUpgrade httpd | Oct 13, 2026 | Oct 1, 2026 |
| Apache Httpd | — | Upgrade to the latest version of Apache HTTPD | Oct 2, 2026 | Oct 1, 2026 |
| Debian | — | Upgrade apache2 | Oct 20, 2026 | Oct 1, 2026 |
| Freebsd | — | Upgrade apache24 | Oct 5, 2026 | Oct 1, 2026 |
| Oracle_linux | — | Upgrade mod_sslUpgrade httpd-develUpgrade httpd-manualUpgrade mod_luaUpgrade httpd-coreUpgrade httpdUpgrade httpd-toolsUpgrade mod_ldapUpgrade httpd-filesystemUpgrade mod_proxy_htmlUpgrade mod_session | Oct 28, 2026 | Oct 1, 2026 |
| Redhat_linux | — | Upgrade httpd-toolsUpgrade mod_ldap-debuginfoUpgrade mod_lua-debuginfoUpgrade httpd-core-debuginfoUpgrade mod_sslUpgrade httpd-debugsourceUpgrade httpd-coreUpgrade httpd-manualNo solution existsUpgrade mod_proxy_html-debuginfoUpgrade httpd-develUpgrade httpd-debuginfoUpgrade mod_proxy_htmlUpgrade httpd-filesystemUpgrade mod_ldapUpgrade httpdUpgrade mod_ssl-debuginfoUpgrade mod_sessionUpgrade httpd-tools-debuginfoUpgrade mod_session-debuginfoUpgrade mod_lua | Oct 14, 2026 | Oct 1, 2026 |
| Rocky_linux | — | Upgrade httpd-debuginfoUpgrade mod_sslUpgrade httpdUpgrade mod_sessionUpgrade mod_ldapUpgrade mod_proxy_html-debuginfoUpgrade httpd-develUpgrade httpd-tools-debuginfoUpgrade mod_session-debuginfoUpgrade mod_luaUpgrade mod_proxy_htmlUpgrade httpd-coreUpgrade mod_lua-debuginfoUpgrade httpd-debugsourceUpgrade httpd-core-debuginfoUpgrade httpd-toolsUpgrade mod_ssl-debuginfoUpgrade mod_ldap-debuginfo | Oct 26, 2026 | Oct 23, 2026 |
| Ubuntu | — | Upgrade apache2-binUpgrade apache2-mpm-itk (Ubuntu Pro)Upgrade apache2-suexec-customUpgrade apache2-utilsUpgrade apache2-bin (Ubuntu Pro)Upgrade libapache2-mod-mdUpgrade apache2.2-bin (Ubuntu Pro)Upgrade apache2-suexec (Ubuntu Pro)Upgrade libapache2-mod-proxy-uwsgiUpgrade apache2-utils (Ubuntu Pro)Upgrade apache2-mpm-event (Ubuntu Pro)Upgrade apache2-suexec-custom (Ubuntu Pro)Upgrade apache2-dev (Ubuntu Pro)Upgrade libapache2-mod-proxy-uwsgi (Ubuntu Pro)Upgrade apache2Upgrade apache2-devUpgrade libapache2-mod-md (Ubuntu Pro)Upgrade apache2 (Ubuntu Pro)Upgrade libapache2-mod-proxy-html (Ubuntu Pro)Upgrade apache2-mpm-prefork (Ubuntu Pro)Upgrade libapache2-mod-macro (Ubuntu Pro)Upgrade apache2-suexec-pristineUpgrade apache2-ssl-dev (Ubuntu Pro)Upgrade apache2-mpm-worker (Ubuntu Pro)Upgrade apache2-ssl-devUpgrade apache2-suexec-pristine (Ubuntu Pro) | Oct 12, 2026 | Oct 7, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 13, 2026 | Oct 1, 2026 |
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