Buffer overflow in libc in Compaq Tru64 4.0F, 5.0, 5.1 and 5.1A allows attackers to execute arbitrary code via long (1) LANG and (2) LOCPATH environment variables.
http://www.securityfocus.com/bid/4544
http://www.lac.co.jp/security/english/snsadv_e/51_e.html
http://www.iss.net/security_center/static/8863.php
http://ftp.support.compaq.com/patches/.new/html/SSRT-541.shtml
http://cert.uni-stuttgart.de/archive/bugtraq/2002/04/msg00219.html