The remote host is missing an update to graphviz announced via advisory MDVSA-2009:254.

To upgrade automatically use MandrakeUpdate or urpmi. The verification of md5 checksums and GPG signatures is performed automatically for you. https://secure1.securityspace.com/smysecure/catid.html?in=MDVSA-2009:254

A vulnerability was discovered and corrected in graphviz: Stack-based buffer overflow in the push_subg function in parser.y (lib/graph/parser.c) in Graphviz 2.20.2, and possibly earlier versions, allows user-assisted remote attackers to cause a denial of service (memory corruption) or execute arbitrary code via a DOT file with a large number of Agraph_t elements (CVE-2008-4555). This update provides a fix for this vulnerability. Affected: 2008.1, 2009.0, Corporate 4.0, Enterprise Server 5.0