From: Cristy <urban-warrior@imagemagick.org>
Date: Tue, 25 Jul 2017 12:23:35 +0000 (-0400)
Subject: https://github.com/ImageMagick/ImageMagick/issues/617
X-Git-Tag: 7.0.6-4~18
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=fc658235dd01d59c58089581781166edcd31b2e1;p=imagemagick

https://github.com/ImageMagick/ImageMagick/issues/617
---

diff --git a/coders/mat.c b/coders/mat.c
index de7d6538a..1bacb1c07 100644
--- a/coders/mat.c
+++ b/coders/mat.c
@@ -933,6 +933,8 @@ static Image *ReadMATImage(const ImageInfo *image_info,ExceptionInfo *exception)
   if (strncmp(MATLAB_HDR.identific, "MATLAB", 6))
     {
 MATLAB_KO:
+      if ((image != image2) && (image2 != (Image *) NULL))
+        image2=DestroyImage(image2);
       if (clone_info != (ImageInfo *) NULL)
         clone_info=DestroyImageInfo(clone_info);
       ThrowReaderException(CorruptImageError,"ImproperImageHeader");