The remoteDispatchDomainMemoryStats function in daemon/remote.c in libvirt 0.9.1 through 0.10.1.x, 0.10.2.x before 0.10.2.8, 1.0.x before 1.0.5.6, and 1.1.x before 1.1.2 allows remote authenticated users to cause a denial of service (uninitialized pointer dereference and crash) via a crafted RPC call.
libvirt.org/git/?p=libvirt.git%3Ba=commit%3Bh=e7f400a110e2e3673b96518170bfea0855dd82c0
lists.opensuse.org/opensuse-updates/2013-10/msg00023.html
lists.opensuse.org/opensuse-updates/2013-10/msg00024.html
rhn.redhat.com/errata/RHSA-2013-1272.html
rhn.redhat.com/errata/RHSA-2013-1460.html
secunia.com/advisories/60895
security.gentoo.org/glsa/glsa-201412-04.xml
wiki.libvirt.org/page/Maintenance_Releases
www.debian.org/security/2013/dsa-2764
www.ubuntu.com/usn/USN-1954-1
bugzilla.redhat.com/show_bug.cgi?id=1006173