The remote host is missing an update to iceape announced via advisory DSA 2489-1.

https://secure1.securityspace.com/smysecure/catid.html?in=DSA%202489-1

Several vulnerabilities have been found in the Iceape internet suite, an unbranded version of Seamonkey. CVE-2012-1937 Mozilla developers discovered several memory corruption bugs, which may lead to the execution of arbitrary code. CVE-2012-1940 Abhishek Arya discovered a use-after-free problem when working with column layout with absolute positioning in a container that changes size, which may lead to the execution of arbitrary code. CVE-2012-1947 Abhishek Arya discovered a heap buffer overflow in utf16 to latin1 character set conersion, allowing to execute arbitray code. For the stable distribution (squeeze), this problem has been fixed in version 2.0.11-13. For the testing distribution (wheezy) and unstable distribution (sid), this problem will be fixed soon. We recommend that you upgrade your iceape packages.