[meta-python][scarthgap][PATCH 2/4] python3-ujson: Fix CVE-2026-32874

["Hetvi Thakar -X (hthakar - E INFOCHIPS PRIVATE LIMITED at Cisco)" <hthakar@cisco.com>]

From: Hetvi Thakar <hthakar@cisco.com>

This patch applies the upstream fix referenced in [2], using the
commit shown in [1].

[1] https://github.com/ultrajson/ultrajson/commit/4baeb950df780092bd3c89fc702a868e99a3a1d2
[2] https://nvd.nist.gov/vuln/detail/CVE-2026-32874

Signed-off-by: Hetvi Thakar <hthakar@cisco.com>
---
 .../python/python3-ujson/CVE-2026-32874.patch | 61 +++++++++++++++++++
 .../python/python3-ujson_5.9.0.bb             |  1 +
 2 files changed, 62 insertions(+)
 create mode 100644 meta-python/recipes-devtools/python/python3-ujson/CVE-2026-32874.patch

diff --git a/meta-python/recipes-devtools/python/python3-ujson/CVE-2026-32874.patch b/meta-python/recipes-devtools/python/python3-ujson/CVE-2026-32874.patch
new file mode 100644
index 0000000000..09730b9623
--- /dev/null
+++ b/meta-python/recipes-devtools/python/python3-ujson/CVE-2026-32874.patch
@@ -0,0 +1,61 @@
+From cf988dbccb1b71cc1cb27c59ac73e09f3a68c3c1 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Br=C3=A9nainn=20Woodsend?= <bwoodsend@gmail.com>
+Date: Wed, 10 Dec 2025 22:37:20 +0000
+Subject: [PATCH] Fix memory leak parsing large integers
+
+CVE: CVE-2026-32874
+Upstream-Status: Backport [https://github.com/ultrajson/ultrajson/commit/4baeb950df780092bd3c89fc702a868e99a3a1d2]
+
+Backport Changes:
+- Adjusted source paths for ujson 5.9.0's pre-src-layout tree.
+
+(cherry picked from commit 4baeb950df780092bd3c89fc702a868e99a3a1d2)
+Signed-off-by: Hetvi Thakar <hthakar@cisco.com>
+---
+ python/JSONtoObj.c  |  4 +++-
+ tests/test_ujson.py | 14 ++++++++++++++
+ 2 files changed, 17 insertions(+), 1 deletion(-)
+
+diff --git a/python/JSONtoObj.c b/python/JSONtoObj.c
+index 208055c..93e87f3 100644
+--- a/python/JSONtoObj.c
++++ b/python/JSONtoObj.c
+@@ -136,7 +136,9 @@ static JSOBJ Object_newIntegerFromString(void *prv, char *value, size_t length)
+   char *buf = PyObject_Malloc(length + 1);
+   memcpy(buf, value, length);
+   buf[length] = '\0';
+-  return PyLong_FromString(buf, NULL, 10);
++  PyObject *ret = PyLong_FromString(buf, NULL, 10);
++  PyObject_Free(buf);
++  return ret;
+ }
+ 
+ static JSOBJ Object_newDouble(void *prv, double value)
+diff --git a/tests/test_ujson.py b/tests/test_ujson.py
+index d24edb0..9ba6f55 100644
+--- a/tests/test_ujson.py
++++ b/tests/test_ujson.py
+@@ -653,6 +653,20 @@ def test_encode_decode_big_int(i, mode):
+             assert ujson.decode(json_string) == python_object
+ 
+ 
++@pytest.mark.xfail(
++    sys.implementation.name == "pypy",
++    reason="PyPy's PyNumber_ToBase ignores sys.get_int_max_str_digits()",
++)
++def test_encode_too_big_int_error():
++    with pytest.raises(ValueError, match="integer string conversion"):
++        ujson.dumps(pow(10, 10_000))
++
++
++def test_decode_too_big_int_error():
++    with pytest.raises(ValueError, match="integer string conversion"):
++        ujson.loads("9" * 10_000)
++
++
+ @pytest.mark.parametrize(
+     "test_input, expected",
+     [
+-- 
+2.35.6
+
diff --git a/meta-python/recipes-devtools/python/python3-ujson_5.9.0.bb b/meta-python/recipes-devtools/python/python3-ujson_5.9.0.bb
index c6b69790e8..8b970ee564 100644
--- a/meta-python/recipes-devtools/python/python3-ujson_5.9.0.bb
+++ b/meta-python/recipes-devtools/python/python3-ujson_5.9.0.bb
@@ -12,6 +12,7 @@ SRC_URI += " \
     file://run-ptest \
     file://0001-setup.py-Do-not-strip-debugging-symbols.patch \
     file://CVE-2026-32875.patch \
+    file://CVE-2026-32874.patch \
 "
 
 DEPENDS += "python3-setuptools-scm-native"
-- 
2.35.6