CVE-2014-1558
Mozilla Firefox before 31.0 and Thunderbird before 31.0 allow remote attackers to cause a denial of service (X.509 certificate parsing outage) via a crafted certificate that does not use UTF-8 character encoding in a required context, a different vulnerability than CVE-2014-1559.
Date published : 2014-07-23
http://www.mozilla.org/security/announce/2014/mfsa2014-65.html