The trace functionality in libvdpau before 1.1.1, when used in a setuid or setgid application, allows local users to write to arbitrary files via unspecified vectors.
https://bugzilla.redhat.com/show_bug.cgi?id=1253827
http://www.ubuntu.com/usn/USN-2729-1
http://www.securityfocus.com/bid/76636
http://www.debian.org/security/2015/dsa-3355
http://lists.x.org/archives/xorg-announce/2015-August/002630.html
http://lists.opensuse.org/opensuse-updates/2015-09/msg00012.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-September/167469.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-September/165546.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-November/170637.html