A NULL pointer dereference in mod_xml2enc in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows an untrusted backend server to cause a denial of service via a proxied response with a charset whose conversion partially succeeds then fails.
Users are recommended to upgrade to version 2.4.69, which fixes this issue.
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_luaUpgrade httpdUpgrade mod_sessionUpgrade httpd-develUpgrade httpd-filesystemUpgrade mod_proxy_htmlUpgrade mod_sslUpgrade httpd-toolsUpgrade httpd-manualUpgrade httpd-coreUpgrade mod_ldap | Oct 25, 2026 | Oct 22, 2026 |
| Alpine Linux | — | Upgrade apache2 | Oct 5, 2026 | Oct 1, 2026 |
| Amazon Linux Ami 2 | — | Upgrade mod_sessionUpgrade mod_ldapUpgrade httpd-filesystemUpgrade mod_http2Upgrade mod_mdUpgrade mod_proxy_htmlUpgrade mod_sslUpgrade httpd-toolsUpgrade httpd-manualUpgrade httpdUpgrade httpd-develUpgrade httpd-debuginfo | Oct 19, 2026 | Oct 19, 2026 |
| Amazon_linux_2023 | — | Upgrade mod_ldapUpgrade mod_http2Upgrade mod_sessionUpgrade mod_ldap-debuginfoUpgrade httpd-debuginfoUpgrade httpd-filesystemUpgrade mod_ssl-debuginfoUpgrade mod_proxy_html-debuginfoUpgrade mod_proxy_htmlUpgrade mod_session-debuginfoUpgrade httpd-toolsUpgrade httpd-core-debuginfoUpgrade mod_luaUpgrade httpd-tools-debuginfoUpgrade httpd-debugsourceUpgrade mod_http2-debuginfoUpgrade mod_sslUpgrade httpd-manualUpgrade httpdUpgrade httpd-coreUpgrade httpd-develUpgrade mod_lua-debuginfo | Oct 13, 2026 | Oct 1, 2026 |
| Apache Httpd | — | Upgrade to the latest version of Apache HTTPD | Oct 2, 2026 | Oct 1, 2026 |
| Debian | — | Upgrade apache2 | Oct 20, 2026 | Oct 1, 2026 |
| Freebsd | — | Upgrade apache24 | Oct 5, 2026 | Oct 1, 2026 |
| Oracle_linux | — | Upgrade httpdUpgrade mod_ldapUpgrade httpd-develUpgrade mod_sslUpgrade mod_sessionUpgrade mod_luaUpgrade httpd-filesystemUpgrade httpd-manualUpgrade httpd-toolsUpgrade httpd-coreUpgrade mod_proxy_html | Oct 28, 2026 | Oct 1, 2026 |
| Redhat_linux | — | Upgrade mod_ldap-debuginfoNo solution existsUpgrade httpdUpgrade mod_ldapUpgrade httpd-core-debuginfoUpgrade httpd-debugsourceUpgrade mod_session-debuginfoUpgrade httpd-debuginfoUpgrade mod_sslUpgrade mod_sessionUpgrade httpd-manualUpgrade httpd-coreUpgrade httpd-filesystemUpgrade mod_proxy_htmlUpgrade httpd-develUpgrade mod_luaUpgrade httpd-toolsUpgrade mod_ssl-debuginfoUpgrade mod_proxy_html-debuginfoUpgrade httpd-tools-debuginfoUpgrade mod_lua-debuginfo | Oct 5, 2026 | Oct 1, 2026 |
| Rocky_linux | — | Upgrade mod_sslUpgrade mod_luaUpgrade mod_session-debuginfoUpgrade mod_proxy_html-debuginfoUpgrade httpd-debuginfoUpgrade mod_proxy_htmlUpgrade mod_ldapUpgrade mod_ldap-debuginfoUpgrade mod_sessionUpgrade httpd-tools-debuginfoUpgrade httpd-debugsourceUpgrade httpd-core-debuginfoUpgrade httpdUpgrade mod_ssl-debuginfoUpgrade httpd-coreUpgrade httpd-toolsUpgrade mod_lua-debuginfoUpgrade httpd-devel | Oct 26, 2026 | Oct 23, 2026 |
| Ubuntu | — | Upgrade libapache2-mod-md (Ubuntu Pro)Upgrade apache2-ssl-devUpgrade apache2-mpm-event (Ubuntu Pro)Upgrade apache2-suexec-pristineUpgrade libapache2-mod-proxy-html (Ubuntu Pro)Upgrade apache2Upgrade apache2-devUpgrade apache2 (Ubuntu Pro)Upgrade libapache2-mod-proxy-uwsgiUpgrade apache2-suexec-pristine (Ubuntu Pro)Upgrade apache2-bin (Ubuntu Pro)Upgrade libapache2-mod-mdUpgrade apache2-mpm-worker (Ubuntu Pro)Upgrade apache2.2-bin (Ubuntu Pro)Upgrade libapache2-mod-proxy-uwsgi (Ubuntu Pro)Upgrade apache2-utils (Ubuntu Pro)Upgrade apache2-suexec-customUpgrade apache2-mpm-prefork (Ubuntu Pro)Upgrade apache2-suexec-custom (Ubuntu Pro)Upgrade apache2-utilsUpgrade apache2-binUpgrade apache2-mpm-itk (Ubuntu Pro)Upgrade apache2-suexec (Ubuntu Pro)Upgrade apache2-dev (Ubuntu Pro)Upgrade libapache2-mod-macro (Ubuntu Pro)Upgrade apache2-ssl-dev (Ubuntu Pro) | Oct 15, 2026 | Oct 14, 2026 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Oct 13, 2026 | Oct 1, 2026 |
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