Several vulnerabilities have been discovered in Icedove, a mail client based on Thunderbird. CVE-2011-3647 The JSSubScriptLoader does not properly handle XPCNativeWrappers during calls to the loadSubScript method in an add-on, which makes it easier for remote attackers to gain privileges via a crafted web site that leverages certain unwrapping behavior. CVE-2011-3648 A cross-site scripting vulner ...