Index: Lib/SimpleXMLRPCServer.py
===================================================================
--- Lib/SimpleXMLRPCServer.py	(revision 59313)
+++ Lib/SimpleXMLRPCServer.py	(working copy)
@@ -599,7 +599,8 @@
         else:
             # POST data is normally available through stdin
             if request_text is None:
-                request_text = sys.stdin.read()
+                content_length = os.environ.get('CONTENT_LENGTH', -1)
+                request_text = sys.stdin.read(content_length)
 
             self.handle_xmlrpc(request_text)