updated core and modules

vendor/symfony/http-kernel/HttpKernel.php

@@ -12,6 +12,7 @@
 namespace Symfony\Component\HttpKernel;
 
 use Symfony\Component\HttpKernel\Controller\ControllerResolverInterface;
+use Symfony\Component\HttpKernel\Exception\BadRequestHttpException;
 use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
 use Symfony\Component\HttpKernel\Exception\HttpExceptionInterface;
 use Symfony\Component\HttpKernel\Event\FilterControllerEvent;
@@ -21,6 +22,7 @@ use Symfony\Component\HttpKernel\Event\GetResponseEvent;
 use Symfony\Component\HttpKernel\Event\GetResponseForControllerResultEvent;
 use Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent;
 use Symfony\Component\HttpKernel\Event\PostResponseEvent;
+use Symfony\Component\HttpFoundation\Exception\ConflictingHeadersException;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\RequestStack;
 use Symfony\Component\HttpFoundation\Response;
@@ -61,6 +63,9 @@ class HttpKernel implements HttpKernelInterface, TerminableInterface
         try {
             return $this->handleRaw($request, $type);
         } catch (\Exception $e) {
+            if ($e instanceof ConflictingHeadersException) {
+                $e = new BadRequestHttpException('The request headers contain conflicting information regarding the origin of this request.', $e);
+            }
             if (false === $catch) {
                 $this->finishRequest($request, $type);