The stream_reqbody_cl function in mod_proxy_http.c in the mod_proxy module in the Apache HTTP Server before 2.3.3, when a reverse proxy is configured, does not properly handle an amount of streamed data that exceeds the Content-Length value, which allows remote attackers to cause a denial of service (CPU consumption) via crafted requests.
CVSS Details
- CVSS 3.1 Base Score: 7.5
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Apache Httpd | — | Upgrade to the latest version of Apache HTTPD | Apr 12, 2012 | Jul 5, 2009 |
| Apple Osx Apache | — | Upgrade macOS to the latest versionApply OS X security update 2009-006 | Dec 16, 2011 | Jul 5, 2009 |
| Centos_linux | — | Upgrade httpd-develUpgrade httpdUpgrade mod_sslUpgrade httpd-manual | Dec 1, 2016 | Jul 5, 2009 |
| Debian | — | Upgrade apache2 | Jul 30, 2024 | Jul 5, 2009 |
| Freebsd | — | Upgrade apache | Dec 10, 2025 | Aug 25, 2009 |
| Gentoo Linux | — | Upgrade www-servers/apache. | Oct 30, 2017 | Jul 5, 2009 |
| Hpux | — | Update hpuxwsAPACHE.APACHE2 to the latest versionUpdate hpuxwsAPCH32.APACHE to the latest versionUpdate hpuxwsAPACHE.MOD_JK2 to the latest versionUpdate hpuxwsAPACHE.AUTH_LDAP2 to the latest versionUpdate hpuxwsAPCH32.PHP2 to the latest versionUpdate hpuxwsAPACHE.MOD_JK to the latest versionUpdate hpuxwsAPCH32.AUTH_LDAP2 to the latest versionUpdate hpuxwsAPCH32.MOD_JK to the latest versionUpdate hpuxwsAPCH32.MOD_PERL2 to the latest versionUpdate hpuxwsAPCH32.WEBPROXY to the latest versionUpdate hpuxwsAPACHE.WEBPROXY to the latest versionUpdate hpuxwsAPCH32.PHP to the latest versionUpdate hpuxwsAPACHE.AUTH_LDAP to the latest versionUpdate hpuxwsAPCH32.MOD_PERL to the latest versionUpdate hpuxwsAPCH32.APACHE2 to the latest versionUpdate hpuxwsAPACHE.PHP2 to the latest versionUpdate hpuxwsAPACHE.PHP to the latest versionUpdate hpuxwsAPACHE.MOD_PERL to the latest versionUpdate hpuxwsAPACHE.MOD_PERL2 to the latest versionUpdate hpuxwsAPCH32.MOD_JK2 to the latest versionUpdate hpuxwsAPCH32.AUTH_LDAP to the latest versionUpdate hpuxwsAPACHE.APACHE to the latest version | Aug 11, 2017 | Jul 5, 2009 |
| Oracle_linux | — | Upgrade httpd-develUpgrade mod_sslUpgrade httpdUpgrade httpd-manual | Oct 16, 2024 | Jul 5, 2009 |
| Suse | — | Upgrade apache2-preforkUpgrade apache2-docUpgrade apache2-example-pagesUpgrade apache2-manualUpgrade apache2-workerUpgrade apache2Upgrade apache2-eventUpgrade apache2-utilsUpgrade apache2-devel | Feb 17, 2015 | Jun 28, 2013 |
| Ubuntu | — | Upgrade apache2-mpm-perchildUpgrade apache2.2-commonUpgrade apache2-mpm-workerUpgrade apache2-commonUpgrade apache2-mpm-preforkUpgrade apache2-mpm-eventUpgrade libapr0 | Nov 8, 2024 | Jul 5, 2009 |
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