[4.0.x] Fixed CVE-2022-41323 -- Prevented locales being interpreted as regular expressions.

Thanks to Benjamin Balder Bach for the report.

1 files changed, 6 insertions, 0 deletions

diff --git a/tests/i18n/patterns/tests.py b/tests/i18n/patterns/tests.py
index db04e9a1a4..73a7619dfe 100644
--- a/tests/i18n/patterns/tests.py
+++ b/tests/i18n/patterns/tests.py
@@ -198,6 +198,12 @@ class URLTranslationTests(URLTestCaseBase):
             self.assertEqual(translate_url("/nl/gebruikers/", "en"), "/en/users/")
             self.assertEqual(translation.get_language(), "nl")
 
+    def test_locale_not_interepreted_as_regex(self):
+        with translation.override("e("):
+            # Would previously error:
+            # re.error: missing ), unterminated subpattern at position 1
+            reverse("users")
+
 
 class URLNamespaceTests(URLTestCaseBase):
     """