commit e80a30bcd6ce7e76ae2c8dc918faedb0af649258
author Cristy <urban-warrior@imagemagick.org> Sun Mar 25 17:43:24 2018 -0400
committer Cristy <urban-warrior@imagemagick.org> Sun Mar 25 17:43:24 2018 -0400
tree 675fb13276a4e98303bcefcc18704c33a9bdc8e8
parent b81a67cfe56c8deb1c346e347aa3f2b8de23a061

...

coders/mtv.c

diff --git a/coders/mtv.c b/coders/mtv.c
index 8778c7a..5528480 100644
--- a/coders/mtv.c
+++ b/coders/mtv.c
@@ -212,7 +212,8 @@
       if (image->scene >= (image_info->scene+image_info->number_scenes-1))
         break;
     *buffer='\0';
-    (void) ReadBlobString(image,buffer);
+    if (ReadBlobString(image,buffer) == (char *) NULL)
+      break;
     count=(ssize_t) sscanf(buffer,"%lu %lu\n",&columns,&rows);
     if (count > 0)
       {