Buffer overflow in PL/SQL Apache module in Oracle 9i Application Server allows remote attackers to execute arbitrary code via a long request for a help page.
https://euvd.enisa.europa.eu/vulnerability/EUVD-2001-1197
http://www.securityfocus.com/bid/3726
http://www.securityfocus.com/archive/1/246663
http://www.kb.cert.org/vuls/id/500203