Oracle just released the April CPU and strongly recommends that you apply the set of applicable patches to your environment as soon as possible. Please closely review the Critical Patch Advisory before you start applying any patches.

The Critical Patch Update Advisory is available at any of the following locations:

Oracle Technology Network: http://www.oracle.com/technology/deploy/security/alerts.htm

Oracle, PeopleSoft, JD Edwards and BEA products: https://support.oracle.com/CSP/main/article?cmd=show&type=NOT&id=1077118.1