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The cache_merge_headers_out function in modules/cache/cache_util.c in the mod_cache module in the Apache HTTP Server before 2.4.11 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via an empty HTTP Content-Type header.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Apache Httpd | — | Upgrade to the latest version of Apache HTTPD | Nov 13, 2014 | Oct 10, 2014 |
| Apple Osx Apache | — | Upgrade macOS to the latest versionApply OS X security update 2015-006 | Aug 28, 2015 | Oct 10, 2014 |
| Debian | — | Upgrade apache2 | Jul 30, 2024 | Oct 10, 2014 |
| Freebsd | — | Upgrade apache24 | Dec 10, 2025 | Jan 31, 2015 |
| Gentoo Linux | — | Upgrade www-servers/apache. | Oct 30, 2017 | Oct 10, 2014 |
| Oracle Solaris | — | Upgrade entire/ to version 11.4-11.4.0.0.1.15.0 on Solaris 11.4 | Oct 19, 2018 | Oct 10, 2014 |
| Oracle_linux | — | Upgrade httpd-develUpgrade httpd-toolsUpgrade httpdUpgrade httpd-manualUpgrade mod_ldapUpgrade mod_sessionUpgrade mod_sslUpgrade mod_proxy_html | Oct 16, 2024 | Oct 10, 2014 |
| Suse | — | Upgrade apache2-eventUpgrade apache2-utilsUpgrade apache2Upgrade apache2-develUpgrade apache2-example-pagesUpgrade apache2-docUpgrade apache2-workerUpgrade apache2-prefork | Dec 18, 2015 | Oct 10, 2014 |
| Ubuntu | — | Upgrade apache2.2-bin | Nov 8, 2024 | Oct 10, 2014 |
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