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From 00a80395a4cd17a6f420238bf9d936d3d9b65a8a Mon Sep 17 00:00:00 2001
From: Cristy <urban-warrior@imagemagick.org>
Date: Fri, 30 Sep 2016 15:18:03 -0400
Subject: [PATCH] https://github.com/ImageMagick/ImageMagick/issues/280
---
magick/profile.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/magick/profile.c b/magick/profile.c
index baf7e70..db4083d 100644
--- a/magick/profile.c
+++ b/magick/profile.c
@@ -2060,7 +2060,7 @@ static MagickBooleanType SyncExifProfile(Image *image, StringInfo *profile)
(void) AddValueToSplayTree(exif_resources,q,q);
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)
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