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 httpdUpgrade mod_sslUpgrade httpd-coreUpgrade httpd-develUpgrade httpd-manualUpgrade mod_luaUpgrade httpd-toolsUpgrade httpd-filesystemUpgrade mod_http2Upgrade mod_sessionUpgrade mod_ldapUpgrade mod_mdUpgrade mod_proxy_html | Feb 22, 2023 | Jan 17, 2023 |
| Alpine Linux | — | Upgrade apache2 | Aug 22, 2024 | Jan 17, 2023 |
| Amazon Linux Ami 2 | — | Upgrade mod_sessionUpgrade httpd-filesystemUpgrade mod_ldapUpgrade httpd-manualUpgrade mod_sslUpgrade httpd-debuginfoUpgrade httpdUpgrade mod_mdUpgrade httpd-toolsUpgrade httpd-develUpgrade mod_proxy_html | Feb 23, 2023 | Jan 17, 2023 |
| Amazon_linux | — | Upgrade httpd24 | Mar 23, 2023 | Jan 17, 2023 |
| Amazon_linux_2023 | — | Upgrade httpd-toolsUpgrade httpd-filesystemUpgrade mod_proxy_html-debuginfoUpgrade mod_luaUpgrade mod_ssl-debuginfoUpgrade httpd-tools-debuginfoUpgrade mod_ldapUpgrade httpd-core-debuginfoUpgrade mod_session-debuginfoUpgrade mod_lua-debuginfoUpgrade httpd-debuginfoUpgrade httpd-manualUpgrade mod_proxy_htmlUpgrade mod_sslUpgrade httpd-develUpgrade mod_sessionUpgrade httpd-debugsourceUpgrade httpdUpgrade httpd-coreUpgrade mod_ldap-debuginfo | 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-debugsourceUpgrade mod_sslUpgrade mod_http2-debugsourceUpgrade httpd-manualUpgrade httpdUpgrade mod_sessionUpgrade httpd-toolsUpgrade mod_md-debuginfoUpgrade mod_luaUpgrade httpd-coreUpgrade mod_lua-debuginfoUpgrade httpd-core-debuginfoUpgrade httpd-tools-debuginfoUpgrade mod_ldapUpgrade mod_proxy_html-debuginfoUpgrade httpd-debuginfoUpgrade mod_ssl-debuginfoUpgrade mod_mdUpgrade mod_ldap-debuginfoUpgrade mod_http2-debuginfoUpgrade mod_session-debuginfoUpgrade mod_md-debugsourceUpgrade httpd-filesystemUpgrade mod_http2Upgrade 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 httpd-filesystemUpgrade httpd-toolsUpgrade mod_sslUpgrade httpd | Mar 20, 2023 | Jan 17, 2023 |
| Huawei Euleros 2_0_sp11 | — | Upgrade httpd-filesystemUpgrade httpd-toolsUpgrade mod_sslUpgrade httpd | May 8, 2023 | Jan 17, 2023 |
| Huawei Euleros 2_0_sp8 | — | Upgrade mod_sessionUpgrade httpd-filesystemUpgrade httpd-manualUpgrade httpdUpgrade httpd-toolsUpgrade httpd-develUpgrade mod_ssl | Apr 13, 2023 | Jan 17, 2023 |
| Huawei Euleros 2_0_sp9 | — | Upgrade httpdUpgrade httpd-toolsUpgrade mod_sslUpgrade httpd-filesystem | May 10, 2023 | Jan 17, 2023 |
| Ibm Http_server | — | Apply IBM HTTP Server version 8.5.5.24 or laterApply IBM HTTP Server Interim Fix PH51982Apply IBM HTTP Server version 9.0.5.15 or later | Nov 20, 2025 | Feb 27, 2023 |
| Oracle_linux | — | Upgrade httpd-manualUpgrade httpd-develUpgrade httpdUpgrade mod_sslUpgrade httpd-toolsUpgrade mod_mdUpgrade httpd-coreUpgrade mod_http2Upgrade mod_ldapUpgrade mod_luaUpgrade mod_sessionUpgrade httpd-filesystemUpgrade mod_proxy_html | Feb 23, 2023 | Jan 17, 2023 |
| Redhat_linux | — | Upgrade httpd-filesystemUpgrade mod_md-debugsourceUpgrade mod_mdUpgrade mod_proxy_htmlUpgrade mod_sessionUpgrade mod_http2Upgrade httpd-debuginfoUpgrade mod_ldapUpgrade mod_luaUpgrade mod_session-debuginfoUpgrade mod_proxy_html-debuginfoUpgrade mod_ldap-debuginfoUpgrade mod_ssl-debuginfoUpgrade httpd-debugsourceUpgrade mod_sslUpgrade httpd-toolsUpgrade httpd-develUpgrade httpd-manualUpgrade mod_http2-debugsourceNo solution existsUpgrade httpd-coreUpgrade httpd-tools-debuginfoUpgrade mod_md-debuginfoUpgrade httpd-core-debuginfoUpgrade mod_lua-debuginfoUpgrade httpdUpgrade mod_http2-debuginfo | Feb 22, 2023 | Jan 17, 2023 |
| Rocky_linux | — | Upgrade mod_md-debuginfoUpgrade httpd-debugsourceUpgrade mod_ldap-debuginfoUpgrade mod_sslUpgrade mod_proxy_html-debuginfoUpgrade mod_session-debuginfoUpgrade mod_http2-debuginfoUpgrade mod_proxy_htmlUpgrade mod_ldapUpgrade httpd-debuginfoUpgrade mod_http2-debugsourceUpgrade httpd-core-debuginfoUpgrade mod_sessionUpgrade mod_mdUpgrade httpd-coreUpgrade httpd-develUpgrade httpdUpgrade mod_http2Upgrade httpd-toolsUpgrade mod_ssl-debuginfoUpgrade mod_lua-debuginfoUpgrade mod_luaUpgrade httpd-tools-debuginfoUpgrade mod_md-debugsource | Mar 12, 2024 | Jan 17, 2023 |
| Suse | — | Upgrade apache2-preforkUpgrade apache2-workerUpgrade apache2Upgrade apache2-example-pagesUpgrade apache2-eventUpgrade apache2-docUpgrade apache2-utilsUpgrade apache2-devel | Jan 30, 2023 | Jan 17, 2023 |
| Ubuntu | — | 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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