It was discovered that the IIOPInputStream class in the CORBA component in OpenJDK failed to properly check object field types. An untrusted Java application or applet could use this flaw to bypass Java sandbox restrictions.
Public now via Oracle Critical Patch Update - July 2015. Fixed in Oracle Java SE 6u101, 7u85, and 8u51. External References: http://www.oracle.com/technetwork/topics/security/cpujul2015-2367936.html#AppendixJAVA
This issue has been addressed in the following products: Red Hat Enterprise Linux 5 Via RHSA-2015:1230 https://rhn.redhat.com/errata/RHSA-2015-1230.html
This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Red Hat Enterprise Linux 6 Via RHSA-2015:1229 https://rhn.redhat.com/errata/RHSA-2015-1229.html
This issue has been addressed in the following products: Red Hat Enterprise Linux 6 Red Hat Enterprise Linux 7 Via RHSA-2015:1228 https://rhn.redhat.com/errata/RHSA-2015-1228.html
OpenJDK 8 upstream commit: http://hg.openjdk.java.net/jdk8u/jdk8u/corba/rev/0011162b38bf
This issue has been addressed in the following products: Oracle Java for Red Hat Enterprise Linux 5 Oracle Java for Red Hat Enterprise Linux 7 Oracle Java for Red Hat Enterprise Linux 6 Via RHSA-2015:1243 https://rhn.redhat.com/errata/RHSA-2015-1243.html
This issue has been addressed in the following products: Oracle Java for Red Hat Enterprise Linux 6 Oracle Java for Red Hat Enterprise Linux 7 Oracle Java for Red Hat Enterprise Linux 5 Via RHSA-2015:1242 https://rhn.redhat.com/errata/RHSA-2015-1242.html
This issue has been addressed in the following products: Oracle Java for Red Hat Enterprise Linux 6 Oracle Java for Red Hat Enterprise Linux 7 Via RHSA-2015:1241 https://rhn.redhat.com/errata/RHSA-2015-1241.html
This issue has been addressed in the following products: Red Hat Enterprise Linux 5 Red Hat Enterprise Linux 6 Red Hat Enterprise Linux 7 Via RHSA-2015:1526 https://rhn.redhat.com/errata/RHSA-2015-1526.html