Stack-based buffer overflow in the reds_handle_ticket function in server/reds.c in SPICE 0.12.0 allows remote attackers to cause a denial of service (crash) via a long password in a SPICE ticket.
http://www.ubuntu.com/usn/USN-2027-1
http://www.securityfocus.com/bid/63408
http://www.debian.org/security/2014/dsa-2839
http://rhn.redhat.com/errata/RHSA-2013-1474.html
http://rhn.redhat.com/errata/RHSA-2013-1473.html
http://rhn.redhat.com/errata/RHSA-2013-1460.html
http://lists.opensuse.org/opensuse-security-announce/2015-05/msg00008.html