Unspecified vulnerability in the Oracle Application Object Library component in Oracle E-Business Suite 11.5.10.2, 12.0.6, 12.1.3, 12.2.3, and 12.2.4 allows remote attackers to affect confidentiality via vectors related to Java APIs - AOL/J.  NOTE: the previous information is from the October 2015 CPU. Oracle has not commented on third-party claims that this issue allows remote attackers to enumerate database users via a series of requests to Aoljtest.js.