xorg-x11-server: reattaching to different master device may lead to out-of-bounds memory access

An out-of-bounds memory access flaw was found in the X.Org server. This issue can be triggered when a device frozen by a sync grab is reattached to a different master device. This issue may lead to an application crash, local privilege escalation if the server runs with extended privileges, or...

xorg-x11-server: XIPassiveUngrab out-of-bounds access

A vulnerability was found in X.Org. This issue occurs because the handler for the XIPassiveUngrab request accesses out-of-bounds memory when invoked with a high keycode or button code. This flaw can lead to local privilege elevation on systems where the X server runs privileged and remote code...