A carefully crafted If: request header can cause a memory read, or write of a single zero byte, in a pool (heap) memory location beyond the header value sent. This could cause the process to crash.
This issue affects Apache HTTP Server 2.4.54 and earlier.
CVSS Details
- CVSS 3.1 Base Score: 7.5
- CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alma_linux | — | Upgrade mod_ldapUpgrade mod_luaUpgrade mod_sessionUpgrade httpd-develUpgrade httpdUpgrade httpd-filesystemUpgrade httpd-coreUpgrade httpd-toolsUpgrade mod_proxy_htmlUpgrade mod_mdUpgrade mod_http2Upgrade mod_sslUpgrade httpd-manual | Feb 22, 2023 | Jan 17, 2023 |
| Alpine Linux | — | Upgrade apache2 | Aug 22, 2024 | Jan 17, 2023 |
| Amazon Linux Ami 2 | — | Upgrade mod_proxy_htmlUpgrade httpd-manualUpgrade mod_mdUpgrade mod_sessionUpgrade mod_ldapUpgrade httpd-filesystemUpgrade httpd-develUpgrade httpd-debuginfoUpgrade httpd-toolsUpgrade httpdUpgrade mod_ssl | Feb 23, 2023 | Jan 17, 2023 |
| Amazon_linux | — | Upgrade httpd24 | Mar 23, 2023 | Jan 17, 2023 |
| Amazon_linux_2023 | — | Upgrade mod_session-debuginfoUpgrade httpd-tools-debuginfoUpgrade mod_luaUpgrade mod_sessionUpgrade httpd-filesystemUpgrade mod_ldapUpgrade httpd-debugsourceUpgrade httpd-manualUpgrade mod_proxy_html-debuginfoUpgrade httpd-coreUpgrade mod_lua-debuginfoUpgrade mod_ldap-debuginfoUpgrade httpd-debuginfoUpgrade httpd-core-debuginfoUpgrade mod_sslUpgrade httpd-toolsUpgrade httpdUpgrade httpd-develUpgrade mod_ssl-debuginfoUpgrade mod_proxy_html | 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-debugsourceUpgrade mod_sessionUpgrade httpd-filesystemUpgrade mod_proxy_htmlUpgrade httpdUpgrade mod_http2-debuginfoUpgrade httpd-tools-debuginfoUpgrade httpd-develUpgrade mod_sslUpgrade mod_ssl-debuginfoUpgrade httpd-toolsUpgrade mod_luaUpgrade mod_mdUpgrade mod_md-debugsourceUpgrade mod_lua-debuginfoUpgrade mod_http2Upgrade httpd-core-debuginfoUpgrade mod_md-debuginfoUpgrade mod_proxy_html-debuginfoUpgrade mod_session-debuginfoUpgrade httpd-debuginfoUpgrade mod_ldap-debuginfoUpgrade httpd-debugsourceUpgrade mod_ldapUpgrade httpd-coreUpgrade httpd-manual | Feb 22, 2023 | Jan 17, 2023 |
| Debian | — | Upgrade apache2 | Jul 30, 2024 | Jan 17, 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 httpdUpgrade httpd-filesystemUpgrade mod_ssl | Mar 20, 2023 | Jan 17, 2023 |
| Huawei Euleros 2_0_sp11 | — | Upgrade httpd-toolsUpgrade httpdUpgrade httpd-filesystemUpgrade mod_ssl | May 8, 2023 | Jan 17, 2023 |
| Huawei Euleros 2_0_sp5 | — | Upgrade mod_sslUpgrade httpd-manualUpgrade mod_sessionUpgrade httpd-develUpgrade httpdUpgrade httpd-tools | Jun 9, 2023 | Jan 17, 2023 |
| Huawei Euleros 2_0_sp8 | — | Upgrade mod_sessionUpgrade mod_sslUpgrade httpd-filesystemUpgrade httpd-develUpgrade httpdUpgrade httpd-manualUpgrade httpd-tools | 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 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 httpd-filesystemUpgrade mod_luaUpgrade mod_sessionUpgrade mod_proxy_htmlUpgrade mod_ldapUpgrade mod_mdUpgrade httpdUpgrade httpd-manualUpgrade httpd-toolsUpgrade mod_sslUpgrade httpd-coreUpgrade httpd-devel | Feb 23, 2023 | Jan 17, 2023 |
| Redhat_linux | — | Upgrade httpdUpgrade httpd-develNo solution existsUpgrade httpd-coreUpgrade mod_luaUpgrade mod_mdUpgrade mod_ssl-debuginfoUpgrade mod_http2-debuginfoUpgrade mod_md-debugsourceUpgrade httpd-toolsUpgrade httpd-core-debuginfoUpgrade mod_sessionUpgrade mod_ldapUpgrade mod_http2Upgrade httpd-filesystemUpgrade httpd-debugsourceUpgrade mod_proxy_html-debuginfoUpgrade mod_md-debuginfoUpgrade mod_http2-debugsourceUpgrade httpd-manualUpgrade mod_sslUpgrade mod_proxy_htmlUpgrade mod_session-debuginfoUpgrade httpd-debuginfoUpgrade httpd-tools-debuginfoUpgrade mod_ldap-debuginfoUpgrade mod_lua-debuginfo | Feb 22, 2023 | Jan 17, 2023 |
| Rocky_linux | — | Upgrade mod_proxy_htmlUpgrade mod_luaUpgrade httpd-coreUpgrade mod_ssl-debuginfoUpgrade mod_proxy_html-debuginfoUpgrade mod_http2Upgrade httpd-core-debuginfoUpgrade httpd-toolsUpgrade mod_md-debugsourceUpgrade mod_lua-debuginfoUpgrade httpd-debugsourceUpgrade httpd-debuginfoUpgrade mod_sslUpgrade mod_mdUpgrade mod_ldapUpgrade mod_sessionUpgrade mod_http2-debuginfoUpgrade mod_http2-debugsourceUpgrade mod_session-debuginfoUpgrade mod_ldap-debuginfoUpgrade mod_md-debuginfoUpgrade httpdUpgrade httpd-develUpgrade httpd-tools-debuginfo | Mar 12, 2024 | Jan 17, 2023 |
| Suse | — | Upgrade apache2-eventUpgrade apache2-docUpgrade apache2-example-pagesUpgrade apache2-develUpgrade apache2Upgrade apache2-preforkUpgrade apache2-utilsUpgrade apache2-worker | Mar 7, 2024 | Jan 17, 2023 |
| Ubuntu | — | Upgrade apache2 (Ubuntu Pro)Upgrade apache2Upgrade apache2-bin (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 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub