The vulnerability in the “Big Requests” extension of the Wayland protocol for X.Org XWayland, as well as in the implementation of the X.Org Server for the X Window System, allows a perpetrator to gain access to confidential data, compromise its integrity, and cause service failures.

The vulnerability of the “Big Requests” extension in the Wayland protocol for X.Org XWayland, as well as in the X.Org Server for the X Window System, is related to a numerical overflow issue. Exploiting this vulnerability can allow an attacker to access confidential data, compromise its integrity...