Integer overflow in the VNC display driver in QEMU before 2.1.0 allows attachers to cause a denial of service (process crash) via a CLIENT_CUT_TEXT message, which triggers an infinite loop.
http://lists.fedoraproject.org/pipermail/package-announce/2015-October/168077.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-October/168646.html
http://lists.fedoraproject.org/pipermail/package-announce/2015-October/168671.html
http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00026.html
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00005.html
http://lists.opensuse.org/opensuse-security-announce/2015-11/msg00011.html
https://github.com/qemu/qemu/commit/f9a70e79391f6d7c2a912d785239ee8effc1922d