From de7b4e72e9b0b3fb5254cc2b4d8c1c920ac26ca2 Mon Sep 17 00:00:00 2001
From: Christopher Chavez <chrischavez@gmx.us>
Date: Sun, 2 Jul 2023 22:29:08 -0500
Subject: [PATCH 1/2] gh-106350: do not ignore return value of `mp_init()`

---
 Modules/_tkinter.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Modules/_tkinter.c b/Modules/_tkinter.c
index 76af803bd6eefb..ac85de05dda94c 100644
--- a/Modules/_tkinter.c
+++ b/Modules/_tkinter.c
@@ -874,8 +874,9 @@ asBignumObj(PyObject *value)
         return NULL;
     }
     hexchars += neg + 2; /* skip sign and "0x" */
-    mp_init(&bigValue);
-    if (mp_read_radix(&bigValue, hexchars, 16) != MP_OKAY) {
+    if (mp_init(&bigValue) != MP_OKAY ||
+        mp_read_radix(&bigValue, hexchars, 16) != MP_OKAY)
+    {
         mp_clear(&bigValue);
         Py_DECREF(hexstr);
         PyErr_NoMemory();

From 4705f85884ce42a80befd85727f1c3373e41040c Mon Sep 17 00:00:00 2001
From: "blurb-it[bot]" <43283697+blurb-it[bot]@users.noreply.github.com>
Date: Mon, 3 Jul 2023 03:46:21 +0000
Subject: [PATCH 2/2] =?UTF-8?q?=F0=9F=93=9C=F0=9F=A4=96=20Added=20by=20blu?=
 =?UTF-8?q?rb=5Fit.?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../next/Library/2023-07-03-03-46-20.gh-issue-106350.LLcTEe.rst | 2 ++
 1 file changed, 2 insertions(+)
 create mode 100644 Misc/NEWS.d/next/Library/2023-07-03-03-46-20.gh-issue-106350.LLcTEe.rst

diff --git a/Misc/NEWS.d/next/Library/2023-07-03-03-46-20.gh-issue-106350.LLcTEe.rst b/Misc/NEWS.d/next/Library/2023-07-03-03-46-20.gh-issue-106350.LLcTEe.rst
new file mode 100644
index 00000000000000..681d63a6668be8
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2023-07-03-03-46-20.gh-issue-106350.LLcTEe.rst
@@ -0,0 +1,2 @@
+Detect possible memory allocation failure in the libtommath function :c:func:`mp_init`
+used by the ``_tkinter`` module.