PUBLIC PRIVILEGES
The topic of PUBLIC privileges is part of Oracle's overall secure-by-default
initiative that started with Oracle Database 9i. New in the Oracle Database 11g
release are granular authorizations for numerous PL/SQL network utility packages
granted to PUBLIC. If you have upgraded from a previous release of Oracle
Database, and your applications depend on PL/SQL network utility packages such
as UTL_TCP, UTL_SMTP, UTL_MAIL, UTL_HTTP AND UTL_INADDR the
following error may occur when you try to run the application: