xorg-server and xwayland are vulnerable to Use After Free. The vulnerability exists because a dummy buffer ends up in a window which allows a remote attacker to potentially exploit heap corruption via malicious input.
bugzilla.redhat.com/show_bug.cgi?id=2165995
gitlab.freedesktop.org/xorg/xserver/-/commit/0ba6d8c37071131a49790243cdac55392ecf71ec
lists.x.org/archives/xorg-announce/2023-February/003320.html
secdb.alpinelinux.org/edge/community.yaml
secdb.alpinelinux.org/v3.17/community.yaml
security.gentoo.org/glsa/202305-30