BeanShell (bsh) before 2.0b6, when included on the classpath by an application that uses Java serialization or XStream, allows remote attackers to execute arbitrary code via crafted serialized data, related to XThis.Handler.
https://www.oracle.com/security-alerts/cpuoct2020.html
https://security.gentoo.org/glsa/201607-17
https://github.com/beanshell/beanshell/releases/tag/2.0b6
https://github.com/beanshell/beanshell/commit/7c68fde2d6fc65e362f20863d868c112a90a9b49
https://github.com/beanshell/beanshell/commit/1ccc66bb693d4e46a34a904db8eeff07808d2ced
https://access.redhat.com/errata/RHSA-2019:1545
https://access.redhat.com/errata/RHSA-2016:1376
https://access.redhat.com/errata/RHSA-2016:1135
http://www.ubuntu.com/usn/USN-2923-1
http://www.securitytracker.com/id/1035440
http://www.securityfocus.com/bid/84139
http://www.debian.org/security/2016/dsa-3504
http://rhn.redhat.com/errata/RHSA-2016-2035.html
http://rhn.redhat.com/errata/RHSA-2016-0540.html
http://rhn.redhat.com/errata/RHSA-2016-0539.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00078.html
http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00056.html