Issue #5387: Fixed mmap.move crash by integer overflow.
diff --git a/Misc/NEWS b/Misc/NEWS
index 97753ad..a792570 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -199,6 +199,8 @@
 Library
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+- Issue #5387: Fixed mmap.move crash by integer overflow.
+
 - Issue #5261: Patch multiprocessing's semaphore.c to support context
   manager use: "with multiprocessing.Lock()" works now.