Be alert! Vulnerability in the Java SE, Java SE Embedded and JRockit component of Oracle Java SE (subcomponent: Serialization). 

The security concerns on CVE-2018-2815, please staying alert. For more details, please see below:

  1. The Java Security Architecture (JSA) defines ways for unprivileged code to perform privileged operations using


2. The method includes create a new PrivilegedIntrospectHelper.

3. The new PrivilegedIntrospectHelper will be executed on a privileged block. This block will all internalIntrospecthelper(bean,prop,value,request,param,ignoreMethodNF) which will allow to invoke encapsulation (setter).

4. Result:

With encapsulation we pretend that nothing is revealed about the internal representation of an object, and we interact with our components only through their public interfaces; a desirable attribute that we usually exploit later when we want to change the internal representation of data in a component without breaking any code from its users.

Official security update show as below url:



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