Add NEWS entry for pyexpat re-entrant fix

Author: okiemute04

Lib/test/test_pyexpat.py

@@ -277,7 +277,6 @@ def test_parse_again(self):
                           expat.errors.XML_ERROR_FINISHED)
 
     def test_reentrant_parse_crash(self):
-        from xml.parsers import expat
         p = expat.ParserCreate(encoding="utf-16")
 
         def start(name, attrs):
@@ -294,7 +293,6 @@ def handler(data):
                          "cannot call Parse() from within a handler")
 
     def test_parse_normal(self):
-        from xml.parsers import expat
         p = expat.ParserCreate()
         data = "<root><child/></root>".encode('utf-8')
         try:

Misc/NEWS.d/next/Library/2026-03-19-10-30-20.gh-issue-146169.NXUmTH.rst

@@ -0,0 +1,3 @@
+Prevent re-entrant calls to ``Parse()`` from within expat handlers,
+which could cause a crash. Now raises :exc:`RuntimeError` when such a
+call is attempted.