Backport CVE-2023-5367 to Xwayland
Backport of !1187 (merged) to Xwayland.
Note that !1188 (merged) which is part of the same advisory is not needed in Xwayland - we don't support multiple screens.
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Backport of !1187 (merged) to Xwayland.
Note that !1188 (merged) which is part of the same advisory is not needed in Xwayland - we don't support multiple screens.