CVE-2000-0857
The logging capability in muh 2.05d IRC server does not properly cleanse user-injected format strings, which allows remote attackers to cause a denial of service or execute arbitrary commands via a malformed nickname.
Date published : 2000-10-18
http://www.securityfocus.com/bid/1665
http://archives.neohapsis.com/archives/bugtraq/2000-09/0068.html