CVE-2010-3443: Undefined Security Weakness

ctcphandler.cpp in Quassel before 0.6.3 and 0.7.x before 0.7.1 allows remote attackers to cause a denial of service unresponsive IRC via multiple Client-To-Client Protocol CTCP requests in a PRIVMSG message...

CVE-2008-4449

Stack-based buffer overflow in mIRC 6.34 allows remote attackers to execute arbitrary code via a long hostname in a PRIVMSG message...

Stack overflow

Stack-based buffer overflow in mIRC 6.34 allows remote attackers to execute arbitrary code via a long hostname in a PRIVMSG message...