From: Sergey Miryanov <sergey.miryanov@gmail.com>
Date: Tue, 14 Oct 2025 12:45:39 +0000 (+0500)
Subject: GH-140058: Clear key and value if `PyTuple_New` fails in `dictiter_iternextitem`... 
X-Git-Tag: v3.15.0a2~448^2~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ded59f7e8e93274488584574ff2336a98bc4eff6;p=thirdparty%2FPython%2Fcpython.git

GH-140058: Clear key and value if `PyTuple_New` fails in `dictiter_iternextitem` (#140059)
---

diff --git a/Objects/dictobject.c b/Objects/dictobject.c
index ddf9bde63f31..b95a4a8dc5ef 100644
--- a/Objects/dictobject.c
+++ b/Objects/dictobject.c
@@ -5719,8 +5719,11 @@ dictiter_iternextitem(PyObject *self)
         }
         else {
             result = PyTuple_New(2);
-            if (result == NULL)
+            if (result == NULL) {
+                Py_DECREF(key);
+                Py_DECREF(value);
                 return NULL;
+            }
             PyTuple_SET_ITEM(result, 0, key);
             PyTuple_SET_ITEM(result, 1, value);
         }