X11 for Windows systems is a graphical window system common to Unix and Linux implementations and found in Windows software such as Hummingbird and surpassed by X Server. Several vulnerabilities have been found in X11 (xinput, evi, mit, shm, xfree86, misc extensions), Solaris X11 display server (xorg-1, xsun-1), and Solaris x11 print server (XPRT-1). — Multiple vulnerabilities allow a local or remote, unprivileged user to execute arbitrary code with root privileges on the Solaris X11 display server from XHost [1] or XAuth [1] to access arbitrary memory and X server address space and crash the X11 display server process. …