E-Business Suite customers should run on a database that is covered by Error Correction Support (ECS). Premier Support for Oracle Database 11.2.0.4 ended January 31, 2015. Oracle Database 11.2.0.4 on-premises is covered by Extended Support until December 31, 2020. 

For more details, see:

For all EBS 12.2 and 12.1 users running Oracle Database 11.2.0.4 on-premises, we recommend upgrading to Oracle Database 19c.

As of the publication date of this blog article, Oracle Database 19c is covered by Premier Support until April 30, 2024 and covered by Extended Support until August 30, 2027. 

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