Medium: libX11, libXcursor, libXfixes, libXi, libXrandr, libXrender, libXres, libXt, libXv, libXvMC, libXxf86dga, libXxf86vm, libdmx, xorg-x11-proto-devel

Issue Overview: Multiple integer overflow flaws, leading to heap-based buffer overflows, were found in the way various X11 client libraries handled certain protocol data. An attacker able to submit invalid protocol data to an X11 server via a malicious X11 client could use either of these flaws t...