The remote host is missing an update to mapserver announced via advisory DSA 2285-1.

https://secure1.securityspace.com/smysecure/catid.html?in=DSA%202285-1

Several vulnerabilities have been discovered in mapserver, a CGI-based web framework to publish spatial data and interactive mapping applications. The Common Vulnerabilities and Exposures project identifies the following problems: CVE-2011-2703 Several instances of insufficient escaping of user input, leading to SQL injection attacks via OGC filter encoding (in WMS, WFS, and SOS filters). CVE-2011-2704 Missing length checks in the processing of OGC filter encoding that can lead to stack-based buffer overflows and the execution of arbitrary code. For the oldstable distribution (lenny), this problem has been fixed in version 5.0.3-3+lenny7. For the stable distribution (squeeze), this problem has been fixed in version 5.6.5-2+squeeze2. For the testing (squeeze) and unstable (sid) distributions, this problem will be fixed soon. We recommend that you upgrade your mapserver packages.