CVE-2000-0594

BitchX IRC client does not properly cleanse an untrusted format string, which allows remote attackers to cause a denial of service via an invite to a channel whose name includes special formatting characters...

Hybrid Ircd 5.0.3 p7 - Remote Buffer Overflow

source: https://www.securityfocus.com/bid/581/info Ircd hybrid-6 up to beta 58 has a vulnerability which can allow remote access to the irc server ircd. In most cases this attack results in the attacker gaining the privileges of the user 'irc'. This vulnerability is in the invite handling code...