The version of Safari installed on the remote Windows host is earlier than 3.2. Such versions are potentially affected by several issues :
Binary data 4754.prm
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2005-2096
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-1767
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2303
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2317
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2327
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-2332
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3608
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3623
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3642
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-3644
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-4216
lists.apple.com/archives/security-announce/2008/nov/msg00001.html
support.apple.com/kb/HT3298
www.securityfocus.com/advisories/15730