Amend NEWS entries for PRs GH-139553 and GH-142790 (#143329)

Author: picnixz

…10-04-20-48-02.gh-issue-63016.EC9QN_.rst …10-04-20-48-02.gh-issue-63016.EC9QN_.rstMisc/NEWS.d/next/Core_and_Builtins/2025-10-04-20-48-02.gh-issue-63016.EC9QN_.rst renamed to Misc/NEWS.d/next/Library/2025-10-04-20-48-02.gh-issue-63016.EC9QN_.rst Misc/NEWS.d/next/Core_and_Builtins/2025-10-04-20-48-02.gh-issue-63016.EC9QN_.rst renamed to Misc/NEWS.d/next/Library/2025-10-04-20-48-02.gh-issue-63016.EC9QN_.rst

@@ -1 +1,3 @@
-Fix zoneinfo use-after-free with descriptor _weak_cache. a descriptor as _weak_cache could cause crashes during object creation. The fix ensures proper reference counting for descriptor-provided objects.
+:mod:`zoneinfo`: fix a use-after-free crash when instantiating
+:class:`~zoneinfo.ZoneInfo` objects with an invalid ``_weak_cache``
+descriptor.