The forms servlet (f90servlet) in Oracle Forms 4.5.10.22 allows remote attackers to cause a denial of service (TNS listener stop) via a userid parameter that contains a STOP command.
archives.neohapsis.com/archives/fulldisclosure/2005-10/0175.html
marc.info/?l=bugtraq&m=112870645720399&w=2
secunia.com/advisories/15991/
securityreason.com/securityalert/65
www.oracle.com/technology/deploy/security/pdf/cpujul2005.html
www.red-database-security.com/advisory/oracle_forms_shutdown.html
www.securityfocus.com/bid/15039
exchange.xforce.ibmcloud.com/vulnerabilities/22543