Mozilla Firefox 2.0.0.3 allows remote attackers to cause a denial of service (application crash) via a long hostname in an HREF attribute in an A element, which triggers an out-of-bounds memory access.
https://exchange.xforce.ibmcloud.com/vulnerabilities/33982
http://securityreason.com/securityalert/2704
http://lists.grok.org.uk/pipermail/full-disclosure/2007-May/062773.html