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Use After Free vulnerability in Apache HTTP Server with mod_ldap in per-directory configuration
This issue affects Apache HTTP Server: from 2.4.0 through 2.4.67.
Users are recommended to upgrade to version 2.4.68, which fixes the issue.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade httpd-toolsUpgrade mod_http2Upgrade mod_luaUpgrade httpd-filesystemUpgrade httpd-manualUpgrade mod_proxy_htmlUpgrade httpd-coreUpgrade httpdUpgrade httpd-develUpgrade mod_mdUpgrade mod_sessionUpgrade mod_sslUpgrade mod_ldap | Oct 11, 2026 | Aug 25, 2026 |
| Amazon Linux Ami 2 | — | Upgrade httpdUpgrade httpd-develUpgrade httpd-debuginfoUpgrade mod_sessionUpgrade httpd-filesystemUpgrade httpd-toolsUpgrade httpd-manualUpgrade mod_sslUpgrade mod_ldapUpgrade mod_proxy_htmlUpgrade mod_md | Jun 23, 2026 | Jun 23, 2026 |
| Amazon_linux_2023 | — | Upgrade httpd-core-debuginfoUpgrade mod_session-debuginfoUpgrade mod_sessionUpgrade httpd-filesystemUpgrade httpd-coreUpgrade mod_sslUpgrade httpd-develUpgrade httpd-debugsourceUpgrade httpdUpgrade httpd-manualUpgrade mod_proxy_htmlUpgrade httpd-debuginfoUpgrade mod_ldap-debuginfoUpgrade httpd-tools-debuginfoUpgrade mod_lua-debuginfoUpgrade mod_luaUpgrade mod_ssl-debuginfoUpgrade mod_proxy_html-debuginfoUpgrade httpd-toolsUpgrade mod_ldap | Jun 23, 2026 | Jun 8, 2026 |
| Apache Httpd | — | Upgrade to the latest version of Apache HTTPD | Jun 9, 2026 | Jun 8, 2026 |
| Debian | — | Upgrade apache2 | Jun 16, 2026 | Jun 16, 2026 |
| Freebsd | — | Upgrade apache24 | Jun 15, 2026 | Jun 8, 2026 |
| Gentoo Linux | — | Upgrade www-servers/apache. | Aug 16, 2026 | Aug 13, 2026 |
| Ibm Http_server | — | Apply IBM HTTP Server version 9.0.5.29 or laterApply IBM HTTP Server version 8.5.5.30 or laterApply IBM HTTP Server Interim Fix PH71594 | Jun 17, 2026 | Jun 16, 2026 |
| Oracle_linux | — | Upgrade mod_http2Upgrade mod_proxy_htmlUpgrade httpd-filesystemUpgrade mod_luaUpgrade httpd-develUpgrade mod_mdUpgrade mod_ldapUpgrade httpd-toolsUpgrade mod_sessionUpgrade httpd-coreUpgrade httpdUpgrade httpd-manualUpgrade mod_ssl | Oct 22, 2026 | Jun 8, 2026 |
| Redhat_linux | — | Upgrade mod_proxy_htmlUpgrade httpdUpgrade httpd-manualUpgrade mod_mdUpgrade mod_ldapUpgrade mod_ldap-debuginfoUpgrade httpd-coreUpgrade httpd-debuginfoUpgrade mod_proxy_html-debuginfoUpgrade mod_http2-debugsourceUpgrade httpd-debugsourceUpgrade httpd-develUpgrade mod_sessionUpgrade mod_session-debuginfoUpgrade httpd-filesystemUpgrade mod_sslUpgrade mod_md-debuginfoUpgrade mod_http2-debuginfoUpgrade mod_http2Upgrade mod_lua-debuginfoUpgrade httpd-tools-debuginfoUpgrade mod_ssl-debuginfoUpgrade httpd-toolsNo solution existsUpgrade mod_luaUpgrade httpd-core-debuginfoUpgrade mod_md-debugsource | Jul 17, 2026 | Jun 8, 2026 |
| Rocky_linux | — | Upgrade mod_sessionUpgrade mod_ldapUpgrade mod_proxy_html-debuginfoUpgrade mod_proxy_htmlUpgrade mod_md-debugsourceUpgrade httpd-debuginfoUpgrade httpd-tools-debuginfoUpgrade mod_sslUpgrade mod_ssl-debuginfoUpgrade mod_http2-debuginfoUpgrade mod_http2Upgrade mod_luaUpgrade mod_session-debuginfoUpgrade mod_ldap-debuginfoUpgrade httpdUpgrade httpd-debugsourceUpgrade mod_lua-debuginfoUpgrade httpd-toolsUpgrade mod_md-debuginfoUpgrade mod_http2-debugsourceUpgrade httpd-core-debuginfoUpgrade mod_mdUpgrade httpd-coreUpgrade httpd-devel | Aug 28, 2026 | Aug 26, 2026 |
| Ubuntu | — | Upgrade apache2-ssl-dev (Ubuntu Pro)Upgrade apache2-dev (Ubuntu Pro)Upgrade apache2-suexec-pristine (Ubuntu Pro)Upgrade apache2Upgrade libapache2-mod-md (Ubuntu Pro)Upgrade apache2-mpm-worker (Ubuntu Pro)Upgrade apache2-bin (Ubuntu Pro)Upgrade apache2.2-bin (Ubuntu Pro)Upgrade apache2-mpm-itk (Ubuntu Pro)Upgrade libapache2-mod-proxy-uwsgi (Ubuntu Pro)Upgrade apache2-mpm-event (Ubuntu Pro)Upgrade libapache2-mod-proxy-html (Ubuntu Pro)Upgrade apache2-suexec-custom (Ubuntu Pro)Upgrade libapache2-mod-macro (Ubuntu Pro)Upgrade apache2-utils (Ubuntu Pro)Upgrade apache2-mpm-prefork (Ubuntu Pro)Upgrade apache2-suexec (Ubuntu Pro)Upgrade apache2 (Ubuntu Pro) | Jul 9, 2026 | Jul 8, 2026 |
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