From 71b3bb9185a18520f6db08bb4f1a48ccdfa75d99 Mon Sep 17 00:00:00 2001
From: Bastien Tafforeau <bastien.tafforeau@prestashop.com>
Date: Tue, 28 Dec 2021 16:14:55 +0100
Subject: [PATCH] Adding some more checks on image integrity

---
 classes/ImageFilterIterator.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/classes/ImageFilterIterator.php b/classes/ImageFilterIterator.php
index fdbd2bf..2518e8c 100644
--- a/classes/ImageFilterIterator.php
+++ b/classes/ImageFilterIterator.php
@@ -41,7 +41,10 @@ private function isImage()
             return in_array($type, self::$validTypeConstants, true);
         } else {
             $imagesize = getimagesize($filePath);
-
+            if (empty($imagesize)) {
+                return false;
+            }
+            
             // Index 2 is one of the IMAGETYPE_XXX constants indicating the
             // type of the image
             return in_array($imagesize[2], self::$validTypeConstants, true);