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A carefully crafted If: request header can cause a memory read, or write of a single zero byte, in a pool (heap) memory location beyond the header value sent. This could cause the process to crash.
This issue affects Apache HTTP Server 2.4.54 and earlier.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade httpd-coreUpgrade mod_http2Upgrade httpd-manualUpgrade mod_proxy_htmlUpgrade mod_mdUpgrade httpd-toolsUpgrade mod_sslUpgrade mod_ldapUpgrade mod_luaUpgrade httpd-develUpgrade httpd-filesystemUpgrade httpdUpgrade mod_session | Feb 22, 2023 | Jan 17, 2023 |
| Alpine Linux | — | Upgrade apache2 | Aug 22, 2024 | Jan 17, 2023 |
| Amazon Linux Ami 2 | — | Upgrade mod_sslUpgrade httpdUpgrade httpd-toolsUpgrade httpd-debuginfoUpgrade httpd-develUpgrade mod_ldapUpgrade httpd-manualUpgrade mod_sessionUpgrade mod_proxy_htmlUpgrade mod_mdUpgrade httpd-filesystem | Feb 23, 2023 | Jan 17, 2023 |
| Amazon_linux | — | Upgrade httpd24 | Mar 23, 2023 | Jan 17, 2023 |
| Amazon_linux_2023 | — | Upgrade httpd-debugsourceUpgrade httpd-manualUpgrade mod_sessionUpgrade httpd-filesystemUpgrade mod_session-debuginfoUpgrade mod_proxy_html-debuginfoUpgrade httpd-tools-debuginfoUpgrade mod_lua-debuginfoUpgrade mod_luaUpgrade httpd-coreUpgrade mod_ldapUpgrade httpd-debuginfoUpgrade httpd-core-debuginfoUpgrade mod_proxy_htmlUpgrade mod_ssl-debuginfoUpgrade httpd-toolsUpgrade httpdUpgrade mod_ldap-debuginfoUpgrade httpd-develUpgrade mod_ssl | Feb 17, 2025 | Jan 17, 2023 |
| Apache Httpd | — | Upgrade to the latest version of Apache HTTPD | Nov 29, 2023 | Jan 17, 2023 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Jan 17, 2023 |
| Centos_linux | — | Upgrade httpd-toolsUpgrade mod_http2-debuginfoUpgrade mod_md-debugsourceUpgrade httpd-manualUpgrade mod_session-debuginfoUpgrade mod_ldap-debuginfoUpgrade httpd-debugsourceUpgrade mod_lua-debuginfoUpgrade mod_mdUpgrade mod_ssl-debuginfoUpgrade mod_http2Upgrade httpd-coreUpgrade mod_http2-debugsourceUpgrade mod_proxy_html-debuginfoUpgrade mod_sessionUpgrade httpd-core-debuginfoUpgrade mod_md-debuginfoUpgrade mod_ldapUpgrade httpd-filesystemUpgrade httpdUpgrade mod_proxy_htmlUpgrade httpd-tools-debuginfoUpgrade httpd-develUpgrade mod_luaUpgrade httpd-debuginfoUpgrade mod_ssl | Feb 22, 2023 | Jan 17, 2023 |
| Debian | — | Upgrade apache2 | Jul 30, 2024 | Jan 17, 2023 |
| Freebsd | — | Upgrade apache24 | Jan 19, 2023 | Jan 17, 2023 |
| Gentoo Linux | — | Upgrade www-servers/apache. | Sep 11, 2023 | Jan 17, 2023 |
| Huawei Euleros 2_0_sp10 | — | Upgrade httpd-toolsUpgrade httpdUpgrade mod_sslUpgrade httpd-filesystem | Mar 20, 2023 | Jan 17, 2023 |
| Huawei Euleros 2_0_sp11 | — | Upgrade httpd-filesystemUpgrade mod_sslUpgrade httpd-toolsUpgrade httpd | May 8, 2023 | Jan 17, 2023 |
| Huawei Euleros 2_0_sp5 | — | Upgrade httpdUpgrade httpd-toolsUpgrade httpd-develUpgrade mod_sessionUpgrade mod_sslUpgrade httpd-manual | Jun 9, 2023 | Jan 17, 2023 |
| Huawei Euleros 2_0_sp8 | — | Upgrade httpd-manualUpgrade httpd-toolsUpgrade mod_sslUpgrade httpd-filesystemUpgrade httpdUpgrade httpd-develUpgrade mod_session | Apr 13, 2023 | Jan 17, 2023 |
| Huawei Euleros 2_0_sp9 | — | Upgrade httpd-toolsUpgrade httpdUpgrade httpd-filesystemUpgrade mod_ssl | May 10, 2023 | Jan 17, 2023 |
| Ibm Http_server | — | Apply IBM HTTP Server Interim Fix PH51982Apply IBM HTTP Server version 8.5.5.24 or laterApply IBM HTTP Server version 9.0.5.15 or later | Nov 20, 2025 | Feb 27, 2023 |
| Oracle_linux | — | Upgrade mod_sessionUpgrade httpd-filesystemUpgrade mod_luaUpgrade mod_proxy_htmlUpgrade mod_http2Upgrade mod_ldapUpgrade mod_mdUpgrade httpd-develUpgrade httpdUpgrade httpd-toolsUpgrade httpd-manualUpgrade mod_sslUpgrade httpd-core | Feb 23, 2023 | Jan 17, 2023 |
| Redhat_linux | — | Upgrade httpd-tools-debuginfoUpgrade mod_proxy_htmlUpgrade mod_ldapUpgrade httpd-manualUpgrade mod_lua-debuginfoUpgrade mod_sessionUpgrade mod_ldap-debuginfoUpgrade mod_http2Upgrade mod_proxy_html-debuginfoUpgrade mod_http2-debugsourceUpgrade httpd-debuginfoUpgrade mod_md-debuginfoUpgrade mod_sslUpgrade httpd-filesystemUpgrade mod_session-debuginfoUpgrade httpd-debugsourceUpgrade httpd-develUpgrade mod_md-debugsourceUpgrade mod_luaUpgrade mod_ssl-debuginfoUpgrade httpd-toolsUpgrade mod_http2-debuginfoUpgrade mod_mdUpgrade httpdNo solution existsUpgrade httpd-coreUpgrade httpd-core-debuginfo | Feb 22, 2023 | Jan 17, 2023 |
| Rocky_linux | — | Upgrade mod_lua-debuginfoUpgrade httpd-develUpgrade httpd-debugsourceUpgrade mod_http2-debugsourceUpgrade httpd-tools-debuginfoUpgrade mod_md-debuginfoUpgrade mod_ldapUpgrade mod_http2-debuginfoUpgrade httpd-debuginfoUpgrade mod_sessionUpgrade mod_ldap-debuginfoUpgrade mod_session-debuginfoUpgrade mod_mdUpgrade httpdUpgrade mod_sslUpgrade mod_md-debugsourceUpgrade httpd-core-debuginfoUpgrade mod_proxy_htmlUpgrade mod_proxy_html-debuginfoUpgrade httpd-coreUpgrade mod_luaUpgrade mod_http2Upgrade httpd-toolsUpgrade mod_ssl-debuginfo | Mar 12, 2024 | Jan 17, 2023 |
| Suse | — | Upgrade apache2-eventUpgrade apache2-example-pagesUpgrade apache2-docUpgrade apache2-preforkUpgrade apache2Upgrade apache2-manualUpgrade apache2-workerUpgrade apache2-develUpgrade apache2-utils | Mar 7, 2024 | Jan 17, 2023 |
| Ubuntu | — | Upgrade apache2-bin (Ubuntu Pro)Upgrade apache2 (Ubuntu Pro)Upgrade apache2 | Mar 22, 2023 | Jan 17, 2023 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Jan 17, 2023 |
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