@@ -789,6 +789,13 @@ def test_repr(self) -> None:
             with self.subTest(test_input=test):
                 self.assertEqual(repr(ast.parse(test)), snapshot)
 
+    def test_repr_large_input_crash(self):
+        # gh-125010: Fix use-after-free in ast repr()
+        source = "0x0" + "e" * 10_000
+        with self.assertRaisesRegex(ValueError,
+                                    r"Exceeds the limit \(\d+ digits\)"):
+            repr(ast.Constant(value=eval(source)))
+
 
 class CopyTests(unittest.TestCase):
     """Test copying and pickling AST nodes."""

@@ -1608,7 +1608,6 @@ def visitModule(self, mod):
 
         if (!value_repr) {
             Py_DECREF(name);
-            Py_DECREF(value);
             goto error;
         }
 

diff --git a/Python/Python-ast.c b/Python/Python-ast.c