The remote host is missing an update to wireshark announced via advisory DSA 1446-1.

https://secure1.securityspace.com/smysecure/catid.html?in=DSA%201446-1

Several remote vulnerabilities have been discovered in the Wireshark network traffic analyzer, which may lead to denial of service. The Common Vulnerabilities and Exposures project identifies the following problems: CVE-2007-6450 The RPL dissector could be tricked into an infinite loop. CVE-2007-6451 The CIP dissector could be tricked into excessive memory allocation. For the old stable distribution (sarge), these problems have been fixed in version 0.10.10-2sarge11. (In Sarge Wireshark used to be called Ethereal). For the stable distribution (etch), these problems have been fixed in version 0.99.4-5.etch.2. For the unstable distribution (sid), these problems have been fixed in version 0.99.7-1. We recommend that you upgrade your wireshark packages.