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-manualUpgrade httpd-toolsUpgrade mod_sslUpgrade httpd-develUpgrade httpd-coreUpgrade mod_luaUpgrade httpdUpgrade httpd-filesystemUpgrade mod_mdUpgrade mod_proxy_htmlUpgrade mod_ldapUpgrade mod_sessionUpgrade mod_http2 | Feb 22, 2023 | Jan 17, 2023 |
| Alpine Linux | — | Upgrade apache2 | Aug 22, 2024 | Jan 17, 2023 |
| Amazon Linux Ami 2 | — | Upgrade mod_sslUpgrade httpd-debuginfoUpgrade httpd-filesystemUpgrade mod_sessionUpgrade mod_ldapUpgrade httpd-manualUpgrade mod_proxy_htmlUpgrade httpd-develUpgrade mod_mdUpgrade httpd-toolsUpgrade httpd | Feb 23, 2023 | Jan 17, 2023 |
| Amazon_linux | — | Upgrade httpd24 | Mar 23, 2023 | Jan 17, 2023 |
| Amazon_linux_2023 | — | Upgrade mod_ldap-debuginfoUpgrade httpd-develUpgrade mod_sessionUpgrade httpd-debuginfoUpgrade httpd-debugsourceUpgrade httpdUpgrade mod_proxy_htmlUpgrade mod_sslUpgrade httpd-manualUpgrade httpd-coreUpgrade mod_lua-debuginfoUpgrade mod_luaUpgrade httpd-tools-debuginfoUpgrade mod_proxy_html-debuginfoUpgrade mod_ssl-debuginfoUpgrade httpd-filesystemUpgrade mod_session-debuginfoUpgrade httpd-core-debuginfoUpgrade mod_ldapUpgrade httpd-tools | 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_proxy_htmlUpgrade mod_mdUpgrade mod_ssl-debuginfoUpgrade mod_session-debuginfoUpgrade httpd-filesystemUpgrade mod_http2-debuginfoUpgrade mod_http2Upgrade mod_md-debugsourceUpgrade httpd-debuginfoUpgrade httpd-develUpgrade mod_ldap-debuginfoUpgrade httpd-core-debuginfoUpgrade mod_http2-debugsourceUpgrade httpd-manualUpgrade httpd-tools-debuginfoUpgrade mod_md-debuginfoUpgrade httpd-debugsourceUpgrade httpdUpgrade httpd-toolsUpgrade mod_sessionUpgrade mod_sslUpgrade mod_ldapUpgrade mod_proxy_html-debuginfoUpgrade httpd-coreUpgrade mod_lua-debuginfoUpgrade 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-toolsUpgrade httpd-filesystemUpgrade httpd | Mar 20, 2023 | Jan 17, 2023 |
| Huawei Euleros 2_0_sp11 | — | Upgrade httpdUpgrade mod_sslUpgrade httpd-toolsUpgrade httpd-filesystem | May 8, 2023 | Jan 17, 2023 |
| Huawei Euleros 2_0_sp8 | — | Upgrade mod_sessionUpgrade httpd-filesystemUpgrade httpdUpgrade httpd-develUpgrade httpd-toolsUpgrade mod_sslUpgrade httpd-manual | 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 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 mod_ldapUpgrade mod_sessionUpgrade httpd-filesystemUpgrade mod_proxy_htmlUpgrade mod_http2Upgrade mod_luaUpgrade mod_sslUpgrade httpd-toolsUpgrade httpd-coreUpgrade httpd-develUpgrade mod_mdUpgrade httpd-manualUpgrade httpd | Feb 23, 2023 | Jan 17, 2023 |
| Redhat_linux | — | Upgrade httpd-toolsUpgrade httpd-tools-debuginfoUpgrade mod_http2-debuginfoNo solution existsUpgrade mod_md-debuginfoUpgrade httpd-develUpgrade httpdUpgrade httpd-coreUpgrade mod_sslUpgrade httpd-core-debuginfoUpgrade httpd-manualUpgrade httpd-debugsourceUpgrade mod_http2-debugsourceUpgrade mod_lua-debuginfoUpgrade mod_luaUpgrade mod_proxy_html-debuginfoUpgrade mod_http2Upgrade mod_sessionUpgrade mod_md-debugsourceUpgrade httpd-filesystemUpgrade mod_proxy_htmlUpgrade httpd-debuginfoUpgrade mod_ldapUpgrade mod_ssl-debuginfoUpgrade mod_ldap-debuginfoUpgrade mod_mdUpgrade mod_session-debuginfo | Feb 22, 2023 | Jan 17, 2023 |
| Rocky_linux | — | Upgrade mod_md-debugsourceUpgrade mod_http2Upgrade httpd-toolsUpgrade mod_lua-debuginfoUpgrade httpd-tools-debuginfoUpgrade mod_luaUpgrade mod_ssl-debuginfoUpgrade mod_sslUpgrade mod_sessionUpgrade mod_proxy_htmlUpgrade mod_proxy_html-debuginfoUpgrade mod_session-debuginfoUpgrade httpd-develUpgrade httpd-debuginfoUpgrade mod_ldapUpgrade mod_md-debuginfoUpgrade mod_http2-debuginfoUpgrade httpdUpgrade httpd-debugsourceUpgrade mod_ldap-debuginfoUpgrade httpd-coreUpgrade httpd-core-debuginfoUpgrade mod_mdUpgrade mod_http2-debugsource | Mar 12, 2024 | Jan 17, 2023 |
| Suse | — | Upgrade apache2-example-pagesUpgrade apache2Upgrade apache2-workerUpgrade apache2-preforkUpgrade apache2-utilsUpgrade apache2-develUpgrade apache2-docUpgrade apache2-event | 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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