A flaw was found in the Xorg-x11-server. An out-of-bounds access issue can occur in the SProcRenderCompositeGlyphs function due to improper validation of the request length. A flaw was found in xorg-x11-server. An out-of-bounds access can occur in the SProcXFixesCreatePointerBarrier function. A flaw was found in xorg-x11-server where an out-of-bounds access can occur in the SProcScreenSaverSuspend function. A flaw was found in xorg-x11-server where an out-of-bounds access can occur in the SwapCreateRegister function