Merge pull request #2128 from csgactuarial/Fix-Headers-Regex

Ensure header value is string before conducting regex search.
benoitc · Oct 19, 2019 · 235f06c · 235f06c
2 parents e147fea + ad6ed3f
commit 235f06c
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/gunicorn/http/wsgi.py b/gunicorn/http/wsgi.py
@@ -253,10 +253,13 @@ def process_headers(self, headers):
             if HEADER_RE.search(name):
                 raise InvalidHeaderName('%r' % name)
 
+            if not isinstance(value, str):
+                raise TypeError('%r is not a string' % value)
+
             if HEADER_VALUE_RE.search(value):
                 raise InvalidHeader('%r' % value)
 
-            value = str(value).strip()
+            value = value.strip()
             lname = name.lower().strip()
             if lname == "content-length":
                 self.response_length = int(value)