This issue was discovered by Peter Hutterer (Red Hat).

Xorg-x11-server: xorg-x11-server-xwayland: xorg-x11-server: out-of-bounds heap write in dri2 drigetbuffers/drigetbufferswithformat

Xorg-x11-server: out-of-bounds memory read in rrchangeoutputproperty and rrchangeproviderproperty

Xorg-x11-server: out-of-bounds memory reads/writes in xkb button actions