From: Cristy <urban-warrior@imagemagick.org>
Date: Mon, 7 Aug 2017 18:59:43 +0000 (-0400)
Subject: https://github.com/ImageMagick/ImageMagick/issues/654
X-Git-Tag: 7.0.6-6~22
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=7d63315a64267c565d1f34b9cb523a14616fed24;p=imagemagick

https://github.com/ImageMagick/ImageMagick/issues/654
---

diff --git a/coders/wpg.c b/coders/wpg.c
index ae43f9cc3..4756dba3f 100644
--- a/coders/wpg.c
+++ b/coders/wpg.c
@@ -1035,6 +1035,8 @@ static Image *ReadWPGImage(const ImageInfo *image_info,
           if(i==EOF)
             break;
           Rd_WP_DWORD(image,&Rec.RecordLength);
+          if (Rec.RecordLength > GetBlobSize(image))
+            ThrowReaderException(CorruptImageError,"ImproperImageHeader");
           if(EOFBlob(image))
             break;