diff --git a/Misc/NEWS b/Misc/NEWS
index 1540db7..d7610b3 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -8,6 +8,10 @@
 Core and Builtins
 -----------------
 
+- Issue #8651: PyArg_Parse*() functions raise an OverflowError if the file
+  doesn't have PY_SSIZE_T_CLEAN define and the size doesn't fit in an int
+  (length bigger than 2^31-1 bytes).
+
 - Issue #9015, #9611: FileIO.readinto(), FileIO.write() and os.write() clamp
   the length to 2^31-1 on Windows.