Oracle Quarterly Security Updates - April 2009
A total of 43 security patches are available for Oracle's product lines. These should be tested and deployed expediently to keep critical data bases and tools secure.
Oracle Critical Patch Update Advisory - April 2009
http://www.oracle.com/technology/deploy/security/critical-patch-updates/cpuapr2009.html
QUOTE: Due to the threat posed by a successful attack, Oracle strongly recommends that customers apply fixes as soon as possible. This Critical Patch Update contains 43 new security fixes across all products.