The session-persistence implementation in Apache Tomcat 6.x before 6.0.45, 7.x before 7.0.68, 8.x before 8.0.31, and 9.x before 9.0.0.M2 mishandles session attributes, which allows remote authenticated users to bypass intended SecurityManager restrictions and execute arbitrary code in a privileged context via a web application that places a crafted object in a session.
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00047.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00069.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00082.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00085.html
http://marc.info/?l=bugtraq&m=145974991225029&w=2
http://rhn.redhat.com/errata/RHSA-2016-1089.html
http://rhn.redhat.com/errata/RHSA-2016-2045.html
http://rhn.redhat.com/errata/RHSA-2016-2599.html
http://rhn.redhat.com/errata/RHSA-2016-2807.html
http://rhn.redhat.com/errata/RHSA-2016-2808.html
https://access.redhat.com/errata/RHSA-2016:1087
https://access.redhat.com/errata/RHSA-2016:1088
http://seclists.org/bugtraq/2016/Feb/145
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05054964
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05150442
https://h20566.www2.hpe.com/portal/site/hpsc/public/kb/docDisplay?docId=emr_na-c05158626
https://security.gentoo.org/glsa/201705-09
https://security.netapp.com/advisory/ntap-20180531-0001/
http://svn.apache.org/viewvc?view=revision&revision=1725263
http://svn.apache.org/viewvc?view=revision&revision=1725914
http://svn.apache.org/viewvc?view=revision&revision=1726196
http://svn.apache.org/viewvc?view=revision&revision=1726203
http://svn.apache.org/viewvc?view=revision&revision=1726923
http://svn.apache.org/viewvc?view=revision&revision=1727034
http://svn.apache.org/viewvc?view=revision&revision=1727166
http://svn.apache.org/viewvc?view=revision&revision=1727182
http://tomcat.apache.org/security-6.html
http://tomcat.apache.org/security-7.html
http://tomcat.apache.org/security-8.html
http://tomcat.apache.org/security-9.html
http://www.debian.org/security/2016/dsa-3530
http://www.debian.org/security/2016/dsa-3552
http://www.debian.org/security/2016/dsa-3609
http://www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
http://www.oracle.com/technetwork/security-advisory/cpuoct2016-2881722.html
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html
http://www.oracle.com/technetwork/topics/security/linuxbulletinoct2016-3090545.html
http://www.securitytracker.com/id/1035069