From 5f06bc16f4dd3a2c1aa2d8e0f2d8eb6dc1a0049f Mon Sep 17 00:00:00 2001
From: cristy <urban-warrior@git.imagemagick.org>
Date: Tue, 3 Apr 2012 12:47:36 +0000
Subject: [PATCH]

---
 MagickCore/property.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/MagickCore/property.c b/MagickCore/property.c
index 175cf150e..1713f8c00 100644
--- a/MagickCore/property.c
+++ b/MagickCore/property.c
@@ -1306,6 +1306,8 @@ static MagickBooleanType GetEXIFProperty(const Image *image,
         break;
       components=(ssize_t) ((int) ReadPropertyLong(endian,q+4));
       number_bytes=(size_t) components*tag_bytes[format];
+      if (number_bytes < components)
+        break;  /* prevent overflow */
       if (number_bytes <= 4)
         p=q+8;
       else
-- 
2.40.0