https://github.com/ImageMagick/ImageMagick/issues/533

ImageMagick · Jun 29, 2017 · 9493314 · 9493314
1 parent 4938040
commit 9493314
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/coders/dcm.c b/coders/dcm.c
@@ -3269,6 +3269,8 @@ static Image *ReadDCMImage(const ImageInfo *image_info,ExceptionInfo *exception)
         else
           if ((quantum != 0) && (length != 0))
             {
+              if (length > GetBlobSize(image))
+                ThrowReaderException(CorruptImageError,"ImproperImageHeader");
               if (~length >= 1)
                 data=(unsigned char *) AcquireQuantumMemory(length+1,quantum*
                   sizeof(*data));