While fuzzing the 2.4.49 httpd, a new null pointer dereference was detected during HTTP/2 request processing, allowing an external source to DoS the server. This requires a specially crafted request. The vulnerability was recently introduced in version 2.4.49. No exploit is known to the project.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade apache2 | Aug 22, 2024 | Oct 5, 2021 |
| Amazon Linux Ami 2 | — | Upgrade httpd-toolsUpgrade mod_mdUpgrade mod_proxy_htmlUpgrade httpd-filesystemUpgrade httpd-manualUpgrade mod_ldapUpgrade httpd-develUpgrade mod_sessionUpgrade mod_sslUpgrade httpd-debuginfoUpgrade httpd | Oct 18, 2021 | Oct 18, 2021 |
| Amazon_linux | — | Upgrade httpd24 | Oct 16, 2021 | Oct 5, 2021 |
| Apache Httpd | — | Upgrade to the latest version of Apache HTTPD | Dec 22, 2021 | Oct 5, 2021 |
| Check Point Gaia | — | Upgrade to supported version Check Point Gaia. | Feb 25, 2026 | Oct 27, 2021 |
| Debian | — | Upgrade apache2 | Jul 30, 2024 | Oct 5, 2021 |
| Freebsd | — | Upgrade apache24 | Nov 4, 2022 | Oct 5, 2021 |
| Gentoo Linux | — | Upgrade app-admin/apache-tools.Upgrade www-servers/apache. | Aug 16, 2022 | Oct 5, 2021 |
| Oracle Solaris | — | Upgrade web/server/apache-24 to version 2.4.51-11.4.38.0.1.101.6 on Solaris 11.4Upgrade web/server/apache-24/module/apache-ldap to version 2.4.51-11.4.38.0.1.101.6 on Solaris 11.4Upgrade web/server/apache-24/module/apache-lua to version 2.4.51-11.4.38.0.1.101.6 on Solaris 11.4Upgrade web/server/apache-24/module/apache-gss to version 2.4.51-11.4.38.0.1.101.6 on Solaris 11.4Upgrade web/server/apache-24/module/apache-dbd to version 2.4.51-11.4.38.0.1.101.6 on Solaris 11.4Upgrade web/server/apache-24/module/apache-ssl to version 2.4.51-11.4.38.0.1.101.6 on Solaris 11.4Upgrade web/server/apache-24/module/apache-ssl-fips-140 to version 2.4.51-11.4.38.0.1.101.6 on Solaris 11.4 | Nov 17, 2021 | Nov 17, 2021 |
| Vmware Photon_os | — | Use 'tdnf update' to upgrade all packages to the latest version. | Jan 20, 2025 | Oct 5, 2021 |
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