CVE-2006-2781
Double free vulnerability in nsVCard.cpp in Mozilla Thunderbird before 1.5.0.4 and SeaMonkey before 1.0.2 allows remote attackers to cause a denial of service (hang) and possibly execute arbitrary code via a VCard that contains invalid base64 characters.
Date published : 2006-06-02
http://www.securityfocus.com/bid/18228
http://www.securityfocus.com/archive/1/435795/100/0/threaded