More insights to CPU 12 April and public exploit code
These include an exploit to grant DBA to SCOTT by PL/SQL Injecting DBMS_METADATA. This can be found at http://www.argeniss.com/research/OraDBMS_METADATAExploit.txt. Also another exploit to grant DBA to SCOTT via the DBMS_CDC_SUBSCRIBE also by PL/SQL Injecting the package. This can be found at http://www.argeniss.com/research/OraDBMS_CDC_SUBSCRIBEExploit.txt and finally sample Denial of Service attacks via Intermedia which can be found at http://www.argeniss.com/research/OraIntermediaExploit.txt.
If you had not planned to apply this patch set quickly, you had better do so now!