It was discovered that the implementation of the CodeSource class in OpenJDK did not limit the amount of memory allocated when creating object instance from a serialized form. An untrusted Java application or applet could use this flaw to cause JVM to allocate an excessive amount of memory, bypassing certain Java sandbox restrictions.
Public now via Oracle CPU July 2017: http://www.oracle.com/technetwork/security-advisory/cpujul2017-3236622.html#AppendixJAVA The issue was fixed in Oracle JDK 8u141, 7u151, and 6u161.
OpenJDK-8 upstream commit: http://hg.openjdk.java.net/jdk8u/jdk8u/jdk/rev/56e0ab47dbec
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-2017:1792 https://access.redhat.com/errata/RHSA-2017:1792
This issue has been addressed in the following products: Oracle Java for Red Hat Enterprise Linux 7 Oracle Java for Red Hat Enterprise Linux 6 Via RHSA-2017:1791 https://access.redhat.com/errata/RHSA-2017:1791
This issue has been addressed in the following products: Oracle Java for Red Hat Enterprise Linux 7 Oracle Java for Red Hat Enterprise Linux 6 Via RHSA-2017:1790 https://access.redhat.com/errata/RHSA-2017:1790
This issue has been addressed in the following products: Red Hat Enterprise Linux 6 Red Hat Enterprise Linux 7 Via RHSA-2017:1789 https://access.redhat.com/errata/RHSA-2017:1789
This issue has been addressed in the following products: Red Hat Enterprise Linux 6 Red Hat Enterprise Linux 7 Via RHSA-2017:2424 https://access.redhat.com/errata/RHSA-2017:2424
This issue has been addressed in the following products: Red Hat Enterprise Linux 6 Supplementary Red Hat Enterprise Linux 7 Supplementary Via RHSA-2017:2469 https://access.redhat.com/errata/RHSA-2017:2469
This issue has been addressed in the following products: Red Hat Enterprise Linux 6 Supplementary Red Hat Enterprise Linux 7 Supplementary Via RHSA-2017:2481 https://access.redhat.com/errata/RHSA-2017:2481
This issue has been addressed in the following products: Red Hat Enterprise Linux 6 Supplementary Via RHSA-2017:2530 https://access.redhat.com/errata/RHSA-2017:2530
This issue has been addressed in the following products: Red Hat Satellite 5.8 Red Hat Satellite 5.8 ELS Via RHSA-2017:3453 https://access.redhat.com/errata/RHSA-2017:3453