Apache commons-collections is vulnerable to arbitrary code execution. It was found that the Apache commons-collections library permitted code execution when deserializing objects involving a specially constructed chain of classes. A remote attacker could use this flaw to execute arbitrary code with the permissions of the application using the commons-collections library.
rhn.redhat.com/errata/RHSA-2015-2500.html
rhn.redhat.com/errata/RHSA-2015-2501.html
rhn.redhat.com/errata/RHSA-2015-2502.html
rhn.redhat.com/errata/RHSA-2015-2514.html
rhn.redhat.com/errata/RHSA-2015-2516.html
rhn.redhat.com/errata/RHSA-2015-2517.html
rhn.redhat.com/errata/RHSA-2015-2521.html
rhn.redhat.com/errata/RHSA-2015-2522.html
rhn.redhat.com/errata/RHSA-2015-2524.html
rhn.redhat.com/errata/RHSA-2015-2670.html
rhn.redhat.com/errata/RHSA-2015-2671.html
rhn.redhat.com/errata/RHSA-2016-0040.html
rhn.redhat.com/errata/RHSA-2016-1773.html
www.oracle.com/technetwork/security-advisory/cpuapr2018-3678067.html
www.oracle.com/technetwork/security-advisory/cpujan2018-3236628.html
www.oracle.com/technetwork/security-advisory/cpujul2018-4258247.html
www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
www.securityfocus.com/bid/78215
www.securitytracker.com/id/1034097
www.securitytracker.com/id/1037052
www.securitytracker.com/id/1037053
www.securitytracker.com/id/1037640
access.redhat.com/security/updates/classification/#critical
access.redhat.com/security/vulnerabilities/2059393
access.redhat.com/solutions/2045023
bugzilla.redhat.com/show_bug.cgi?id=1279330
rhn.redhat.com/errata/RHSA-2015-2500.html
rhn.redhat.com/errata/RHSA-2015-2536.html
www.oracle.com/security-alerts/cpujul2020.html