HTTP Response splitting in multiple modules in Apache HTTP Server allows an attacker that can inject malicious response headers into backend applications to cause an HTTP desynchronization attack.
Users are recommended to upgrade to version 2.4.59, which fixes this issue.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade mod_luaUpgrade httpdUpgrade httpd-toolsUpgrade httpd-develUpgrade httpd-coreUpgrade mod_proxy_htmlUpgrade mod_sslUpgrade mod_ldapUpgrade httpd-filesystemUpgrade httpd-manualUpgrade mod_session | Nov 19, 2024 | Apr 4, 2024 |
| Alpine Linux | — | Upgrade apache2 | Jun 6, 2024 | Apr 4, 2024 |
| Amazon Linux Ami 2 | — | Upgrade mod_mdUpgrade httpd-debuginfoUpgrade httpd-toolsUpgrade httpdUpgrade mod_proxy_htmlUpgrade httpd-develUpgrade mod_ldapUpgrade mod_sslUpgrade mod_sessionUpgrade httpd-manualUpgrade httpd-filesystem | May 1, 2024 | Apr 4, 2024 |
| Amazon_linux_2023 | — | Upgrade mod_ssl-debuginfoUpgrade mod_lua-debuginfoUpgrade httpd-tools-debuginfoUpgrade httpd-filesystemUpgrade mod_ldapUpgrade httpd-toolsUpgrade httpd-core-debuginfoUpgrade mod_luaUpgrade mod_proxy_html-debuginfoUpgrade mod_session-debuginfoUpgrade httpdUpgrade httpd-debuginfoUpgrade mod_sessionUpgrade httpd-coreUpgrade mod_ldap-debuginfoUpgrade httpd-manualUpgrade httpd-develUpgrade httpd-debugsourceUpgrade mod_proxy_htmlUpgrade mod_ssl | Feb 17, 2025 | Apr 4, 2024 |
| Apache Httpd | — | Upgrade to the latest version of Apache HTTPD | Oct 14, 2024 | Apr 4, 2024 |
| Apple Osx Apache | — | Upgrade macOS to the latest version | Aug 1, 2024 | Jul 29, 2024 |
| Debian | — | Upgrade apache2 | Apr 18, 2024 | Apr 4, 2024 |
| F5 Big Ip | — | Update F5 BIG-IP to the latest version | Jun 17, 2026 | May 8, 2024 |
| Freebsd | — | Upgrade mod_http2Upgrade apache24 | Dec 10, 2025 | Apr 5, 2024 |
| Gentoo Linux | — | Upgrade www-servers/apache. | Sep 30, 2024 | Apr 4, 2024 |
| Huawei Euleros 2_0_sp10 | — | Upgrade httpdUpgrade httpd-toolsUpgrade httpd-filesystemUpgrade mod_ssl | Jul 16, 2024 | Apr 4, 2024 |
| Huawei Euleros 2_0_sp11 | — | Upgrade httpdUpgrade mod_sslUpgrade httpd-toolsUpgrade httpd-filesystem | Jun 26, 2024 | Apr 4, 2024 |
| Huawei Euleros 2_0_sp12 | — | Upgrade httpdUpgrade httpd-toolsUpgrade mod_sslUpgrade httpd-filesystem | Oct 8, 2024 | Apr 4, 2024 |
| Huawei Euleros 2_0_sp8 | — | Upgrade httpd-toolsUpgrade httpd-filesystemUpgrade httpd-develUpgrade mod_sessionUpgrade httpdUpgrade httpd-manualUpgrade mod_ssl | Jul 23, 2024 | Apr 4, 2024 |
| Huawei Euleros 2_0_sp9 | — | Upgrade mod_sslUpgrade httpd-toolsUpgrade httpdUpgrade httpd-filesystem | Jul 17, 2024 | Apr 4, 2024 |
| Ibm Http_server | — | Apply IBM HTTP Server Interim Fix PH60619Apply IBM HTTP Server version 9.0.5.20 or laterApply IBM HTTP Server version 8.5.5.26 or later | Nov 26, 2025 | Sep 5, 2024 |
| Oracle_linux | — | Upgrade httpd-filesystemUpgrade mod_proxy_htmlUpgrade mod_sslUpgrade mod_sessionUpgrade mod_luaUpgrade mod_ldapUpgrade httpd-develUpgrade httpd-coreUpgrade httpd-manualUpgrade httpdUpgrade httpd-tools | Nov 21, 2024 | Apr 4, 2024 |
| Redhat_linux | — | Upgrade mod_ssl-debuginfoUpgrade mod_luaUpgrade httpd-filesystemUpgrade mod_proxy_htmlUpgrade httpd-tools-debuginfoUpgrade httpd-toolsUpgrade httpd-develNo solution existsUpgrade httpd-debugsourceUpgrade mod_lua-debuginfoUpgrade httpdUpgrade mod_sessionUpgrade httpd-debuginfoUpgrade httpd-coreUpgrade httpd-manualUpgrade mod_sslUpgrade mod_session-debuginfoUpgrade mod_proxy_html-debuginfoUpgrade mod_ldap-debuginfoUpgrade httpd-core-debuginfoUpgrade mod_ldap | Nov 13, 2024 | Apr 4, 2024 |
| Rocky_linux | — | Upgrade httpd-debugsourceUpgrade mod_ldap-debuginfoUpgrade mod_lua-debuginfoUpgrade httpd-develUpgrade mod_sslUpgrade httpd-toolsUpgrade httpd-core-debuginfoUpgrade httpdUpgrade httpd-tools-debuginfoUpgrade httpd-coreUpgrade httpd-debuginfoUpgrade mod_luaUpgrade mod_ldapUpgrade mod_proxy_htmlUpgrade mod_ssl-debuginfoUpgrade mod_proxy_html-debuginfoUpgrade mod_sessionUpgrade mod_session-debuginfo | Mar 18, 2025 | Apr 4, 2024 |
| Suse | — | Upgrade uwsgi-libffiUpgrade uwsgi-pypyUpgrade uwsgi-glusterfsUpgrade uwsgi-emperor_pgUpgrade uwsgi-php7Upgrade apache2-workerUpgrade apache2-mod_uwsgiUpgrade apache2-tls13-utilsUpgrade apache2-preforkUpgrade apache2-tls13Upgrade uwsgi-xsltUpgrade uwsgi-psgiUpgrade uwsgi-logzmqUpgrade uwsgi-python3Upgrade apache2Upgrade apache2-develUpgrade apache2-tls13-preforkUpgrade uwsgi-greenletUpgrade apache2-utilsUpgrade apache2-eventUpgrade uwsgi-ldapUpgrade apache2-tls13-workerUpgrade apache2-tls13-docUpgrade uwsgi-jvmUpgrade uwsgiUpgrade apache2-docUpgrade uwsgi-sqlite3Upgrade apache2-tls13-develUpgrade uwsgi-luaUpgrade apache2-tls13-example-pagesUpgrade uwsgi-pamUpgrade uwsgi-geventUpgrade apache2-example-pagesUpgrade uwsgi-emperor_zeromqUpgrade apache2-manual | May 14, 2024 | Apr 4, 2024 |
| Ubuntu | — | Upgrade apache2Upgrade apache2 (Ubuntu Pro) | Apr 12, 2024 | Apr 4, 2024 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Apr 4, 2024 |
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