xterm, Eterm, and rxvt allow an attacker to cause a denial of service by embedding certain escape characters which force the window to be resized.
http://www.openwall.com/lists/oss-security/2024/06/09/2
http://www.openwall.com/lists/oss-security/2024/06/09/1
http://archives.neohapsis.com/archives/bugtraq/2000-05/0420.html
http://archives.neohapsis.com/archives/bugtraq/2000-05/0409.html