From: Dirk Lemstra <dirk@git.imagemagick.org>
Date: Wed, 9 May 2018 20:05:32 +0000 (+0200)
Subject: Also check extent from raw_info to avoid excessive allocations.
X-Git-Tag: 7.0.7-32~22
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=2eda7238dc6977fa1e0be8eabc9be1e8706a2116;p=imagemagick

Also check extent from raw_info to avoid excessive allocations.
---

diff --git a/coders/dng.c b/coders/dng.c
index 9a108d069..03499cb8f 100644
--- a/coders/dng.c
+++ b/coders/dng.c
@@ -318,6 +318,12 @@ static Image *ReadDNGImage(const ImageInfo *image_info,ExceptionInfo *exception)
         libraw_close(raw_info);
         return(image);
       }
+    status=SetImageExtent(image,image->columns,image->rows,exception);
+    if (status == MagickFalse)
+      {
+        libraw_close(raw_info);
+        return(image);
+      }
     errcode=libraw_unpack(raw_info);
     if (errcode != LIBRAW_SUCCESS)
       {