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.
archives.neohapsis.com/archives/bugtraq/2000-07/0026.html
archives.neohapsis.com/archives/bugtraq/2000-07/0098.html
archives.neohapsis.com/archives/bugtraq/2000-07/0105.html
archives.neohapsis.com/archives/freebsd/2000-07/0042.html
archives.neohapsis.com/archives/vuln-dev/2000-q3/0018.html
www.calderasystems.com/support/security/advisories/CSSA-2000-022.0.txt
www.redhat.com/support/errata/RHSA-2000-042.html
www.securityfocus.com/bid/1436
exchange.xforce.ibmcloud.com/vulnerabilities/4897