PolicyKit (aka polkit) before 0.113 allows local users to cause a denial of service (memory corruption and polkitd daemon crash) and possibly gain privileges via unspecified vectors, related to "javascript rule evaluation."
https://bugzilla.redhat.com/show_bug.cgi?id=1245684
http://www.securitytracker.com/id/1035023
http://www.securityfocus.com/bid/77356
http://www.oracle.com/technetwork/topics/security/linuxbulletinjan2016-2867209.html
http://rhn.redhat.com/errata/RHSA-2016-0189.html
http://lists.opensuse.org/opensuse-updates/2015-11/msg00042.html
http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00010.html
http://lists.freedesktop.org/archives/polkit-devel/2015-July/000432.html