From: Cristy <urban-warrior@imagemagick.org>
Date: Sat, 10 Feb 2018 21:04:40 +0000 (-0500)
Subject: ...
X-Git-Tag: 7.0.7-23~63
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=b40fec1c5e79b1fd9b06005b5c8e0c7b6d591cab;p=imagemagick

...
---

diff --git a/coders/dcm.c b/coders/dcm.c
index 3612c4585..6df86da95 100644
--- a/coders/dcm.c
+++ b/coders/dcm.c
@@ -3470,7 +3470,7 @@ static Image *ReadDCMImage(const ImageInfo *image_info,ExceptionInfo *exception)
             if (datum > 8)
               info.bytes_per_pixel=2;
             info.depth=info.bits_allocated;
-            if (info.depth > 32)
+            if ((info.depth == 0) || (info.depth > 32))
               ThrowDCMException(CorruptImageError,"ImproperImageHeader");
             info.max_value=(1UL << info.bits_allocated)-1;
             image->depth=info.depth;
@@ -3486,7 +3486,7 @@ static Image *ReadDCMImage(const ImageInfo *image_info,ExceptionInfo *exception)
             if (info.significant_bits > 8)
               info.bytes_per_pixel=2;
             info.depth=info.significant_bits;
-            if (info.depth > 32)
+            if ((info.depth == 0) || (info.depth > 32))
               ThrowDCMException(CorruptImageError,"ImproperImageHeader");
             info.max_value=(1UL << info.significant_bits)-1;
             info.mask=(size_t) GetQuantumRange(info.significant_bits);