Ticket #17375: 17375.3.patch

wp-includes/functions.php

@@ -261 +261 @@
                 return false;
         $token = $data[0];
         switch ( $token ) {
+                case 'S' :
                 case 's' :
                         if ( '"' !== $data[$length-2] )
                                 return false;
                 case 'a' :
+                case 'C' :
                 case 'O' :
                         return (bool) preg_match( "/^{$token}:[0-9]+:/s", $data );
                 case 'b' :
                 case 'i' :
                 case 'd' :
-                        return (bool) preg_match( "/^{$token}:[0-9.E-]+;\$/", $data );
+                        return (bool) preg_match( "/^{$token}:[0-9.EeINF+-]+;\$/", $data );
         }
         return false;
 }
@@ -295 +297 @@
                 return false;
         elseif ( ';' !== $data[$length-1] )
                 return false;
-        elseif ( $data[0] !== 's' )
+        elseif ( $data[0] !== 's' && $data[0] !== 'S' )
                 return false;
         elseif ( '"' !== $data[$length-2] )
                 return false;