From 66575d8cf7f47d78c445b5f783ca2a261b4dff24 Mon Sep 17 00:00:00 2001
From: Andreas Schempp <andreas.schempp@terminal42.ch>
Date: Wed, 1 Apr 2020 18:38:01 +0200
Subject: [PATCH] Correctly match the HTTP header

---
 core-bundle/src/EventListener/MergeHttpHeadersListener.php | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/core-bundle/src/EventListener/MergeHttpHeadersListener.php b/core-bundle/src/EventListener/MergeHttpHeadersListener.php
index 4b4da01d4ef..02c97014acb 100644
--- a/core-bundle/src/EventListener/MergeHttpHeadersListener.php
+++ b/core-bundle/src/EventListener/MergeHttpHeadersListener.php
@@ -144,8 +144,9 @@ private function setResponseHeaders(Response $response)
         $allowOverrides = [];
 
         foreach ($this->headers as $header) {
-            if (preg_match('/^HTTP\/[^ ]* (\d{3}) (.*)$/i', $header, $matches)) {
-                $response->setStatusCode($matches[1], $matches[2]);
+            if (preg_match('/^HTTP\/[^ ]+ (\d{3})( (.+))?$/i', $header, $matches)) {
+                $text = isset($matches[3]) ? $matches[3] : '';
+                $response->setStatusCode($matches[1], $text);
                 continue;
             }