The version of Opera installed on the remote host is earlier than 10.01. Such versions are potentially affected by multiple vulnerabilities :
Error messages can leak onto unrelated sites, potentially leading to cross-site scripting attacks. (941)
A heap buffer overflow in string to number conversion. (942)
Binary data 800847.prm
.opera.com/docs/changelogs/windows/1010
.opera.com/support/kb/view/941
.opera.com/support/kb/view/942
.securityfocus.com/archive/1/507980/30/0/threaded
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-0689
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-4071
cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2009-4072