Added check for bogus num_images value.

diff --git a/coders/dds.c b/coders/dds.c
index 26b76c6f44a4b33d35db48f8aeb816e33c6f4cdd..2139eb0cb14ba52bab7b646ade55423300c0185e 100644 (file)
--- a/coders/dds.c
+++ b/coders/dds.c
@@ -1841,6 +1841,8 @@ static Image *ReadDDSImage(const ImageInfo *image_info,ExceptionInfo *exception)
   {
     if (n != 0)
       {
+        if (EOFBlob(image) != MagickFalse)
+          ThrowReaderException(CorruptImageError,"UnexpectedEndOfFile");
         /* Start a new image */
         AcquireNextImage(image_info,image,exception);
         if (GetNextImageInList(image) == (Image *) NULL)