Prior to Apache HTTP Server 2.4.55, a malicious backend can cause the response headers to be truncated early, resulting in some headers being incorporated into the response body. If the later headers have any security purpose, they will not be interpreted by the client.
CVSS Details
- CVSS 3.1 Base Score: 5.3
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade mod_sslUpgrade httpd-toolsUpgrade mod_luaUpgrade httpd-manualUpgrade httpd-develUpgrade httpd-coreUpgrade httpdUpgrade mod_http2Upgrade mod_sessionUpgrade mod_mdUpgrade httpd-filesystemUpgrade mod_proxy_htmlUpgrade mod_ldap | Feb 22, 2023 | Jan 17, 2023 |
| Alpine Linux | — | Upgrade apache2 | Aug 22, 2024 | Jan 17, 2023 |
| Amazon Linux Ami 2 | — | Upgrade mod_proxy_htmlUpgrade mod_mdUpgrade httpd-toolsUpgrade httpdUpgrade httpd-develUpgrade mod_sessionUpgrade mod_sslUpgrade httpd-filesystemUpgrade mod_ldapUpgrade httpd-debuginfoUpgrade httpd-manual | Feb 23, 2023 | Jan 17, 2023 |
| Amazon_linux | — | Upgrade httpd24 | Mar 23, 2023 | Jan 17, 2023 |
| Amazon_linux_2023 | — | Upgrade mod_ldapUpgrade httpd-tools-debuginfoUpgrade httpd-toolsUpgrade mod_session-debuginfoUpgrade mod_ssl-debuginfoUpgrade mod_proxy_html-debuginfoUpgrade mod_luaUpgrade mod_lua-debuginfoUpgrade httpd-core-debuginfoUpgrade httpd-filesystemUpgrade httpdUpgrade mod_sessionUpgrade mod_proxy_htmlUpgrade mod_ldap-debuginfoUpgrade httpd-manualUpgrade httpd-coreUpgrade httpd-debuginfoUpgrade httpd-debugsourceUpgrade 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 mod_http2Upgrade mod_proxy_htmlUpgrade mod_mdUpgrade mod_http2-debuginfoUpgrade httpd-filesystemUpgrade httpd-debuginfoUpgrade mod_ssl-debuginfoUpgrade mod_session-debuginfoUpgrade httpd-develUpgrade mod_ldap-debuginfoUpgrade mod_md-debugsourceUpgrade mod_lua-debuginfoUpgrade mod_sslUpgrade mod_proxy_html-debuginfoUpgrade mod_http2-debugsourceUpgrade httpd-manualUpgrade httpd-debugsourceUpgrade httpd-tools-debuginfoUpgrade httpd-coreUpgrade mod_ldapUpgrade mod_md-debuginfoUpgrade httpd-toolsUpgrade mod_sessionUpgrade httpd-core-debuginfoUpgrade httpdUpgrade mod_lua | Feb 22, 2023 | Jan 17, 2023 |
| Debian | — | Upgrade apache2 | Mar 6, 2023 | Jan 17, 2023 |
| F5 Big Ip | — | Update F5 BIG-IP to the latest version | Jun 17, 2026 | Feb 22, 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 mod_sslUpgrade httpd-filesystemUpgrade httpd-toolsUpgrade httpd | Mar 20, 2023 | Jan 17, 2023 |
| Huawei Euleros 2_0_sp11 | — | Upgrade httpd-toolsUpgrade httpdUpgrade mod_sslUpgrade httpd-filesystem | May 8, 2023 | Jan 17, 2023 |
| Huawei Euleros 2_0_sp8 | — | Upgrade mod_sslUpgrade httpd-manualUpgrade httpd-develUpgrade httpd-toolsUpgrade httpdUpgrade mod_sessionUpgrade httpd-filesystem | Apr 13, 2023 | Jan 17, 2023 |
| Huawei Euleros 2_0_sp9 | — | Upgrade httpd-filesystemUpgrade mod_sslUpgrade httpdUpgrade httpd-tools | 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_http2Upgrade mod_proxy_htmlUpgrade mod_ldapUpgrade mod_luaUpgrade httpd-filesystemUpgrade mod_sessionUpgrade httpd-manualUpgrade mod_mdUpgrade httpd-coreUpgrade httpdUpgrade mod_sslUpgrade httpd-toolsUpgrade httpd-devel | Feb 23, 2023 | Jan 17, 2023 |
| Redhat_linux | — | Upgrade httpd-tools-debuginfoNo solution existsUpgrade httpd-toolsUpgrade mod_lua-debuginfoUpgrade mod_http2-debuginfoUpgrade mod_sslUpgrade httpd-debugsourceUpgrade httpd-coreUpgrade httpd-manualUpgrade httpd-core-debuginfoUpgrade mod_http2-debugsourceUpgrade mod_md-debuginfoUpgrade httpdUpgrade httpd-develUpgrade mod_http2Upgrade mod_sessionUpgrade mod_proxy_html-debuginfoUpgrade httpd-filesystemUpgrade mod_md-debugsourceUpgrade mod_luaUpgrade mod_session-debuginfoUpgrade mod_proxy_htmlUpgrade httpd-debuginfoUpgrade mod_ldap-debuginfoUpgrade mod_ldapUpgrade mod_ssl-debuginfoUpgrade mod_md | Feb 22, 2023 | Jan 17, 2023 |
| Rocky_linux | — | Upgrade mod_sessionUpgrade httpd-coreUpgrade mod_http2-debugsourceUpgrade mod_mdUpgrade mod_proxy_htmlUpgrade mod_md-debuginfoUpgrade httpd-debuginfoUpgrade mod_proxy_html-debuginfoUpgrade mod_ldapUpgrade httpd-core-debuginfoUpgrade httpdUpgrade mod_http2-debuginfoUpgrade httpd-debugsourceUpgrade mod_ldap-debuginfoUpgrade mod_sslUpgrade mod_session-debuginfoUpgrade httpd-develUpgrade mod_luaUpgrade mod_http2Upgrade mod_lua-debuginfoUpgrade mod_ssl-debuginfoUpgrade httpd-toolsUpgrade mod_md-debugsourceUpgrade httpd-tools-debuginfo | Mar 12, 2024 | Jan 17, 2023 |
| Suse | — | Upgrade apache2-docUpgrade apache2-develUpgrade apache2-eventUpgrade apache2-utilsUpgrade apache2-example-pagesUpgrade apache2Upgrade apache2-workerUpgrade apache2-prefork | Jan 30, 2023 | Jan 17, 2023 |
| Ubuntu | — | Upgrade apache2Upgrade apache2 (Ubuntu Pro) | 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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