Buffer overflows in PL/SQL module 3.0.9.8.2 in Oracle 9i Application Server 1.0.2.x allow remote attackers to cause a denial of service or execute arbitrary code via (1) a long help page request without a dadname which overflows the resulting HTTP Location header (2) a long HTTP request to the plsql module (3) a long password in the HTTP Authorization (4) a long Access Descriptor (DAD) password in the addadd form or (5) a long cache directory name.