diff --git a/sentry_sdk/utils.py b/sentry_sdk/utils.py
index 875d28c0d0..49ee719582 100644
--- a/sentry_sdk/utils.py
+++ b/sentry_sdk/utils.py
@@ -1740,6 +1740,9 @@ def match_regex_list(
         return False
 
     for item_matcher in regex_list:
+        if not item_matcher:
+            return False
+
         if not substring_matching and item_matcher[-1] != "$":
             item_matcher += "$"
 
diff --git a/tests/test_utils.py b/tests/test_utils.py
index 718cdbaa1d..530d6ab41a 100644
--- a/tests/test_utils.py
+++ b/tests/test_utils.py
@@ -556,6 +556,7 @@ def test_include_source_context_when_serializing_frame(include_source_context):
         ["some-string", ["some.*"], True],
         ["some-string", ["Some"], False],  # we do case sensitive matching
         ["some-string", [".*string$"], True],
+        ["some-string", [""], False],  # an empty-string pattern is treated like []
     ],
 )
 def test_match_regex_list(item, regex_list, expected_result):