From 125b63ca745bace1e098ed3c7362d59136f68a8b Mon Sep 17 00:00:00 2001
From: Mehraz Hossain Rumman <59512321+MehrazRumman@users.noreply.github.com>
Date: Thu, 6 Nov 2025 04:05:54 +0600
Subject: [PATCH] Fixed #36710 -- Fixed a regression in urlize for multipart
 domain names.

Thanks Mehraz Hossain Rumman for the report and Bruno Alla for the triage.

Regression in a9fe98d5bd4212d069afe8316101984aadecfbb2.
---
 django/utils/html.py           | 1 +
 tests/utils_tests/test_html.py | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/django/utils/html.py b/django/utils/html.py
index 734d7fbfb3..b04d6bc5ee 100644
--- a/django/utils/html.py
+++ b/django/utils/html.py
@@ -297,6 +297,7 @@ class Urlizer:
     simple_url_re = _lazy_re_compile(r"^https?://\[?\w", re.IGNORECASE)
     simple_url_2_re = _lazy_re_compile(
         rf"^www\.|^(?!http)(?:{DomainNameValidator.hostname_re})"
+        rf"(?:{DomainNameValidator.domain_re})"
         r"\.(com|edu|gov|int|mil|net|org)($|/.*)$",
         re.IGNORECASE,
     )
diff --git a/tests/utils_tests/test_html.py b/tests/utils_tests/test_html.py
index bf00d14496..b388d3ce52 100644
--- a/tests/utils_tests/test_html.py
+++ b/tests/utils_tests/test_html.py
@@ -455,6 +455,10 @@ class TestUtilsHtml(SimpleTestCase):
                 '<a href="mailto:idna-2008@%DE%89%DE%A8%DE%80%DE%A7%DE%83%DE%AA.ex'
                 'ample.mv">idna-2008@މިހާރު.example.mv</a>',
             ),
+            (
+                "host.djangoproject.com",
+                '<a href="https://host.djangoproject.com">host.djangoproject.com</a>',
+            ),
         )
         for value, output in tests:
             with self.subTest(value=value):