The remote host is missing an update to the system as announced in the referenced advisory.
Update your system with the appropriate patches or software upgrades. https://people.apache.org/~dirkx/CVE-2011-3192.txt https://svn.apache.org/viewvc?view=revision&revision=1161534 https://svn.apache.org/viewvc?view=revision&revision=1162874 http://www.vuxml.org/freebsd/7f6108d2-cea8-11e0-9d58-0800279895ea.html
The following packages are affected: apache apache-event apache-itk apache-peruser apache-worker CVE-2011-3192 The byterange filter in the Apache HTTP Server 1.3.x, 2.0.x through 2.0.64, and 2.2.x through 2.2.19 allows remote attackers to cause a denial of service (memory and CPU consumption) via a Range header that expresses multiple overlapping ranges, as exploited in the wild in August 2011, a different vulnerability than CVE-2007-0086.
CVSS Base Score: 7.8