From: Cristy <urban-warrior@imagemagick.org>
Date: Tue, 19 Sep 2017 17:53:39 +0000 (-0400)
Subject: https://github.com/ImageMagick/ImageMagick/issues/767
X-Git-Tag: 7.0.7-4~28
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=e2998525a24070f28bc9f1baae530d22fa1774f9;p=imagemagick

https://github.com/ImageMagick/ImageMagick/issues/767
---

diff --git a/coders/gif.c b/coders/gif.c
index 2dbdfc259..866ef2875 100644
--- a/coders/gif.c
+++ b/coders/gif.c
@@ -1007,6 +1007,7 @@ static Image *ReadGIFImage(const ImageInfo *image_info,ExceptionInfo *exception)
   if ((count != 6) || ((LocaleNCompare((char *) buffer,"GIF87",5) != 0) &&
       (LocaleNCompare((char *) buffer,"GIF89",5) != 0)))
     ThrowReaderException(CorruptImageError,"ImproperImageHeader");
+  (void) ResetMagickMemory(buffer,0,sizeof(buffer));
   page.width=ReadBlobLSBShort(image);
   page.height=ReadBlobLSBShort(image);
   flag=(unsigned char) ReadBlobByte(image);