Under certain circumstances, a flaw in the J9 JVM (IBM SDK, Java Technology Edition 7.1 and 8.0) allows untrusted code running under a security manager to elevate its privileges. IBM X-Force ID: 138823.
https://www.ibm.com/support/docview.wss?uid=swg22012965
https://exchange.xforce.ibmcloud.com/vulnerabilities/138823
https://access.redhat.com/errata/RHSA-2018:1463
http://www.securitytracker.com/id/1040403
http://www.securityfocus.com/bid/103216