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_mdUpgrade mod_sessionUpgrade mod_proxy_htmlUpgrade mod_http2Upgrade httpd-filesystemUpgrade mod_ldapUpgrade httpdUpgrade httpd-manualUpgrade httpd-toolsUpgrade mod_sslUpgrade httpd-coreUpgrade httpd-develUpgrade mod_lua | Feb 22, 2023 | Jan 17, 2023 |
| Alpine Linux | — | Upgrade apache2 | Aug 22, 2024 | Jan 17, 2023 |
| Amazon Linux Ami 2 | — | Upgrade httpd-manualUpgrade mod_sessionUpgrade httpd-filesystemUpgrade mod_ldapUpgrade mod_sslUpgrade httpd-debuginfoUpgrade mod_mdUpgrade mod_proxy_htmlUpgrade httpd-develUpgrade httpdUpgrade httpd-tools | Feb 23, 2023 | Jan 17, 2023 |
| Amazon_linux | — | Upgrade httpd24 | Mar 23, 2023 | Jan 17, 2023 |
| Amazon_linux_2023 | — | Upgrade httpd-filesystemUpgrade mod_lua-debuginfoUpgrade mod_proxy_html-debuginfoUpgrade httpd-core-debuginfoUpgrade httpd-tools-debuginfoUpgrade httpd-toolsUpgrade mod_luaUpgrade mod_ssl-debuginfoUpgrade mod_session-debuginfoUpgrade mod_ldapUpgrade mod_sslUpgrade httpd-develUpgrade mod_proxy_htmlUpgrade mod_sessionUpgrade httpd-manualUpgrade mod_ldap-debuginfoUpgrade httpd-debuginfoUpgrade httpd-coreUpgrade httpd-debugsourceUpgrade httpd | 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_http2-debuginfoUpgrade mod_http2Upgrade mod_mdUpgrade mod_md-debugsourceUpgrade httpd-filesystemUpgrade mod_session-debuginfoUpgrade httpd-debuginfoUpgrade mod_ldap-debuginfoUpgrade httpd-develUpgrade mod_ssl-debuginfoUpgrade mod_proxy_htmlUpgrade httpd-toolsUpgrade mod_ldapUpgrade httpd-tools-debuginfoUpgrade mod_http2-debugsourceUpgrade httpd-manualUpgrade httpd-debugsourceUpgrade mod_proxy_html-debuginfoUpgrade mod_md-debuginfoUpgrade httpd-coreUpgrade mod_lua-debuginfoUpgrade httpd-core-debuginfoUpgrade httpdUpgrade mod_luaUpgrade mod_sslUpgrade mod_session | 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-toolsUpgrade httpd-filesystemUpgrade mod_sslUpgrade httpd | 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-manualUpgrade mod_sslUpgrade httpd-develUpgrade httpd-toolsUpgrade httpdUpgrade httpd-filesystemUpgrade mod_session | Apr 13, 2023 | Jan 17, 2023 |
| Huawei Euleros 2_0_sp9 | — | Upgrade mod_sslUpgrade httpd-filesystemUpgrade httpdUpgrade httpd-tools | May 10, 2023 | Jan 17, 2023 |
| Ibm Http_server | — | Apply IBM HTTP Server version 9.0.5.15 or laterApply IBM HTTP Server Interim Fix PH51982Apply IBM HTTP Server version 8.5.5.24 or later | Nov 20, 2025 | Feb 27, 2023 |
| Oracle_linux | — | Upgrade mod_sessionUpgrade mod_proxy_htmlUpgrade mod_http2Upgrade mod_ldapUpgrade mod_luaUpgrade httpd-filesystemUpgrade mod_mdUpgrade mod_sslUpgrade httpd-coreUpgrade httpd-develUpgrade httpdUpgrade httpd-toolsUpgrade httpd-manual | Feb 23, 2023 | Jan 17, 2023 |
| Redhat_linux | — | Upgrade mod_http2Upgrade httpd-debuginfoUpgrade mod_sessionUpgrade mod_session-debuginfoUpgrade mod_ssl-debuginfoUpgrade mod_proxy_html-debuginfoUpgrade mod_md-debugsourceUpgrade mod_luaUpgrade httpd-filesystemUpgrade mod_proxy_htmlUpgrade mod_ldapUpgrade mod_ldap-debuginfoUpgrade mod_mdUpgrade mod_lua-debuginfoUpgrade mod_http2-debuginfoUpgrade httpd-coreNo solution existsUpgrade httpd-toolsUpgrade httpd-tools-debuginfoUpgrade httpdUpgrade mod_http2-debugsourceUpgrade httpd-debugsourceUpgrade mod_md-debuginfoUpgrade httpd-develUpgrade mod_sslUpgrade httpd-manualUpgrade httpd-core-debuginfo | Feb 22, 2023 | Jan 17, 2023 |
| Rocky_linux | — | Upgrade mod_sslUpgrade httpd-debugsourceUpgrade mod_session-debuginfoUpgrade mod_ldap-debuginfoUpgrade httpd-develUpgrade mod_ldapUpgrade httpd-debuginfoUpgrade mod_md-debuginfoUpgrade mod_proxy_htmlUpgrade mod_mdUpgrade mod_http2-debugsourceUpgrade mod_sessionUpgrade mod_proxy_html-debuginfoUpgrade mod_http2-debuginfoUpgrade httpdUpgrade httpd-coreUpgrade httpd-core-debuginfoUpgrade mod_ssl-debuginfoUpgrade mod_luaUpgrade httpd-tools-debuginfoUpgrade mod_http2Upgrade mod_lua-debuginfoUpgrade httpd-toolsUpgrade mod_md-debugsource | Mar 12, 2024 | Jan 17, 2023 |
| Suse | — | Upgrade apache2-workerUpgrade apache2-example-pagesUpgrade apache2-preforkUpgrade apache2Upgrade apache2-eventUpgrade apache2-docUpgrade apache2-develUpgrade apache2-utils | 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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