Issue #16411: Fix a bug where zlib.decompressobj().flush() might try to access previously-freed memory.

Patch by Serhiy Storchaka.
diff --git a/Misc/NEWS b/Misc/NEWS
index 93aec6b..a4a4105 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -140,6 +140,9 @@
 Library
 -------
 
+- Issue #16411: Fix a bug where zlib.decompressobj().flush() might try to access
+  previously-freed memory. Patch by Serhiy Storchaka.
+
 - Issue #16350: zlib.decompressobj().decompress() now accumulates data from
   successive calls after EOF in unused_data, instead of only saving the argument
   to the last call. decompressobj().flush() now correctly sets unused_data and