CVE-2013-1997

Multiple buffer overflows in X.org libX11 1.5.99.901 1.6 RC1 and earlier allow X servers to cause a denial of service crash and possibly execute arbitrary code via crafted length or index values to the 1 XAllocColorCells, 2 XkbReadGetDeviceInfoReply, 3 XkbReadGeomShapes, 4 XkbReadGetGeometryReply...