1 files changed, 3 insertions, 0 deletions
diff --git a/Lib/urllib/parse.py b/Lib/urllib/parse.py
index 92170ad..528c0a7 100644
--- a/Lib/urllib/parse.py
+++ b/Lib/urllib/parse.py
@@ -143,6 +143,9 @@ class _NetlocResultMixinBase(object):
         port = self._hostinfo[1]
         if port is not None:
             port = int(port, 10)
+            # Return None on an illegal port
+            if not ( 0 <= port <= 65535):
+                return None
         return port