Critical Patch Updates are the primary means of releasing security fixes for Oracle products to customers with valid support contracts. They are released on the Tuesday closest to the 15th day of January, April, July and October. Starting 2011, the scheduled dates for the release of Critical Patch Updates will be on the Tuesday closest to the 17th day of January, April, July and October. The next four dates are:

• 19 April 2011
• 19 July 2011
• 18 October 2011
• 17 January 2012

For this calendar year, Oracle Java SE and Java for Business Critical Patch Updates will be released on the following dates:

• 07 June 2011
• 18 October 2011

A pre-release announcement will be published on the Thursday preceding each CPU release.