Ethereal IRC dissector DoS The Ethereal IRC dissector is vulnerable to a remote denial of service attack. http://www.securityfocus.com/bid/15219 This issue also affects FC3
Fixed in rawhide .. not a high priority issue for FC updates
From User-Agent: XML-RPC ethereal-0.10.14-1.FC4.1 has been pushed for FC4, which should resolve this issue. If these problems are still present in this version, then please make note of it in this bug report.