A NULL pointer dereference flaw was found in the way LibVNCServer before 0.9.9 handled certain ClientCutText message. A remote attacker could use this flaw to crash the VNC server by sending a specially crafted ClientCutText message from a VNC client.
lists.fedoraproject.org/pipermail/package-announce/2014-October/139654.html
lists.fedoraproject.org/pipermail/package-announce/2014-October/139814.html
lists.fedoraproject.org/pipermail/package-announce/2014-October/140219.html
lists.fedoraproject.org/pipermail/package-announce/2014-September/139445.html
seclists.org/oss-sec/2014/q3/639
www.openwall.com/lists/oss-security/2014/09/23/6