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 httpd-filesystemUpgrade mod_ldapUpgrade mod_proxy_htmlUpgrade mod_sessionUpgrade mod_mdUpgrade mod_http2Upgrade httpd-develUpgrade mod_luaUpgrade httpd-toolsUpgrade httpdUpgrade mod_sslUpgrade httpd-coreUpgrade httpd-manual | Feb 22, 2023 | Jan 17, 2023 |
| Alpine Linux | — | Upgrade apache2 | Aug 22, 2024 | Jan 17, 2023 |
| Amazon Linux Ami 2 | — | Upgrade httpd-manualUpgrade mod_ldapUpgrade mod_sslUpgrade httpd-debuginfoUpgrade mod_sessionUpgrade httpd-filesystemUpgrade httpdUpgrade mod_proxy_htmlUpgrade httpd-develUpgrade mod_mdUpgrade httpd-tools | Feb 23, 2023 | Jan 17, 2023 |
| Amazon_linux | — | Upgrade httpd24 | Mar 23, 2023 | Jan 17, 2023 |
| Amazon_linux_2023 | — | Upgrade httpd-develUpgrade mod_ldap-debuginfoUpgrade mod_sslUpgrade httpd-manualUpgrade httpd-debugsourceUpgrade httpdUpgrade mod_proxy_htmlUpgrade httpd-debuginfoUpgrade mod_sessionUpgrade httpd-coreUpgrade mod_session-debuginfoUpgrade httpd-toolsUpgrade mod_ldapUpgrade mod_lua-debuginfoUpgrade httpd-core-debuginfoUpgrade mod_proxy_html-debuginfoUpgrade mod_ssl-debuginfoUpgrade mod_luaUpgrade httpd-tools-debuginfoUpgrade httpd-filesystem | 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-coreUpgrade mod_sessionUpgrade mod_proxy_html-debuginfoUpgrade httpd-toolsUpgrade httpdUpgrade httpd-core-debuginfoUpgrade mod_md-debuginfoUpgrade mod_ldapUpgrade mod_lua-debuginfoUpgrade mod_http2-debugsourceUpgrade httpd-debugsourceUpgrade httpd-manualUpgrade mod_luaUpgrade httpd-tools-debuginfoUpgrade mod_sslUpgrade httpd-debuginfoUpgrade mod_ldap-debuginfoUpgrade mod_session-debuginfoUpgrade mod_http2Upgrade httpd-filesystemUpgrade mod_md-debugsourceUpgrade mod_http2-debuginfoUpgrade mod_ssl-debuginfoUpgrade mod_mdUpgrade mod_proxy_htmlUpgrade httpd-devel | 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 httpdUpgrade httpd-filesystemUpgrade mod_sslUpgrade httpd-tools | Mar 20, 2023 | Jan 17, 2023 |
| Huawei Euleros 2_0_sp11 | — | Upgrade httpd-toolsUpgrade mod_sslUpgrade httpdUpgrade httpd-filesystem | May 8, 2023 | Jan 17, 2023 |
| Huawei Euleros 2_0_sp8 | — | Upgrade httpd-filesystemUpgrade mod_sessionUpgrade httpdUpgrade mod_sslUpgrade httpd-manualUpgrade httpd-toolsUpgrade httpd-devel | Apr 13, 2023 | Jan 17, 2023 |
| Huawei Euleros 2_0_sp9 | — | Upgrade httpd-filesystemUpgrade mod_sslUpgrade httpd-toolsUpgrade httpd | May 10, 2023 | Jan 17, 2023 |
| Ibm Http_server | — | Apply IBM HTTP Server version 8.5.5.24 or laterApply IBM HTTP Server version 9.0.5.15 or laterApply IBM HTTP Server Interim Fix PH51982 | Nov 20, 2025 | Feb 27, 2023 |
| Oracle_linux | — | Upgrade mod_sslUpgrade httpd-toolsUpgrade httpd-manualUpgrade httpd-develUpgrade httpdUpgrade mod_mdUpgrade httpd-coreUpgrade mod_proxy_htmlUpgrade mod_http2Upgrade mod_luaUpgrade mod_sessionUpgrade httpd-filesystemUpgrade mod_ldap | Feb 23, 2023 | Jan 17, 2023 |
| Redhat_linux | — | Upgrade mod_proxy_html-debuginfoUpgrade mod_luaUpgrade mod_mdUpgrade mod_ldapUpgrade mod_ldap-debuginfoUpgrade mod_ssl-debuginfoUpgrade httpd-debuginfoUpgrade httpd-filesystemUpgrade mod_proxy_htmlUpgrade mod_md-debugsourceUpgrade mod_session-debuginfoUpgrade mod_http2Upgrade mod_sessionUpgrade httpd-core-debuginfoUpgrade mod_sslUpgrade mod_md-debuginfoUpgrade mod_http2-debuginfoUpgrade httpd-manualUpgrade mod_http2-debugsourceUpgrade httpd-develNo solution existsUpgrade httpd-coreUpgrade httpd-debugsourceUpgrade mod_lua-debuginfoUpgrade httpdUpgrade httpd-tools-debuginfoUpgrade httpd-tools | Feb 22, 2023 | Jan 17, 2023 |
| Rocky_linux | — | Upgrade mod_proxy_htmlUpgrade mod_proxy_html-debuginfoUpgrade httpd-debugsourceUpgrade mod_ldap-debuginfoUpgrade mod_http2-debuginfoUpgrade httpdUpgrade httpd-core-debuginfoUpgrade mod_http2-debugsourceUpgrade mod_luaUpgrade mod_http2Upgrade mod_ssl-debuginfoUpgrade httpd-tools-debuginfoUpgrade httpd-toolsUpgrade mod_md-debugsourceUpgrade mod_lua-debuginfoUpgrade mod_sessionUpgrade httpd-coreUpgrade mod_sslUpgrade mod_ldapUpgrade mod_md-debuginfoUpgrade httpd-debuginfoUpgrade mod_mdUpgrade mod_session-debuginfoUpgrade httpd-devel | Mar 12, 2024 | Jan 17, 2023 |
| Suse | — | Upgrade apache2-docUpgrade apache2-eventUpgrade apache2-develUpgrade apache2-utilsUpgrade apache2-example-pagesUpgrade apache2-preforkUpgrade apache2Upgrade apache2-worker | 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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