From: Cristy <urban-warrior@imagemagick.org>
Date: Fri, 30 Sep 2016 19:19:06 +0000 (-0400)
Subject: https://github.com/ImageMagick/ImageMagick/issues/280
X-Git-Tag: 7.0.3-2~10
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=a7bb158b7bedd1449a34432feb3a67c8f1873bfa;p=imagemagick

https://github.com/ImageMagick/ImageMagick/issues/280
---

diff --git a/MagickCore/profile.c b/MagickCore/profile.c
index ea7605770..4239d558c 100644
--- a/MagickCore/profile.c
+++ b/MagickCore/profile.c
@@ -2032,7 +2032,7 @@ MagickBooleanType SyncExifProfile(Image *image,StringInfo *profile)
         break;  /* corrupt EXIF */
       tag_value=(ssize_t) ReadProfileShort(endian,q);
       format=(ssize_t) ReadProfileShort(endian,q+2);
-      if ((format-1) >= EXIF_NUM_FORMATS)
+      if ((format < 0) || ((format-1) >= EXIF_NUM_FORMATS))
         break;
       components=(ssize_t) ReadProfileLong(endian,q+4);
       if (components < 0)