The remote host is missing an update to iceape announced via advisory DSA 2342-1.

https://secure1.securityspace.com/smysecure/catid.html?in=DSA%202342-1

Several vulnerabilities have been found in the Iceape internet suite, an unbranded version of Seamonkey: CVE-2011-3647 moz_bug_r_a4 discovered a privilege escalation vulnerability in addon handling. CVE-2011-3648 Yosuke Hasegawa discovered that incorrect handling of Shift-JIS encodings could lead to cross-site scripting. CVE-2011-3650 Marc Schoenefeld discovered that profiling the Javascript code could lead to memory corruption. The oldstable distribution (lenny) is not affected. The iceape package only provides the XPCOM code. For the stable distribution (squeeze), this problem has been fixed in version 2.0.11-9. For the unstable distribution (sid), this problem has been fixed in version 2.0.14-9. We recommend that you upgrade your iceape packages.