'The (1) mod_cache and (2) mod_dav modules in the Apache HTTP Server 2.2.x before 2.2.16 allow remote attackers to cause a denial of service (process crash) via a request that lacks a path.'
This issue was resolved in a backported fix. Current up to date versions not affected.
This issue was resolved in httpd-2.2.3-43.el5. Current versions meet or exceed this minor release.
To validate that you are running httpd-2.2.3-43.el5 or later, run the following:
rpm -qi httpd
If you need to update, run the following: