src/java.desktop/share/classes/com/sun/imageio/plugins/jpeg/JPEGImageReader.java

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2000, 2016, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this

@@ -372,11 +372,14 @@
         } else { // Not tables only, so add original pos to the list
             imagePositions.add(savePos);
             // And set current image since we've read it now
             currentImage = 0;
         }
-        if (seekForwardOnly) {
+        // If the image positions list is empty as in the case of a tables-only
+        // stream, then attempting to access the element at index
+        // imagePositions.size() - 1 will cause an IndexOutOfBoundsException.
+        if (seekForwardOnly && !imagePositions.isEmpty()) {
             Long pos = imagePositions.get(imagePositions.size()-1);
             iis.flushBefore(pos.longValue());
         }
         tablesOnlyChecked = true;
     }

@@ -490,10 +493,15 @@
             throw new IndexOutOfBoundsException();
         }
         if (!tablesOnlyChecked) {
             checkTablesOnly();
         }
+        // If the image positions list is empty as in the case of a tables-only
+        // stream, then no image data can be read.
+        if (imagePositions.isEmpty()) {
+            throw new IIOException("No image data present to read");
+        }
         if (imageIndex < imagePositions.size()) {
             iis.seek(imagePositions.get(imageIndex).longValue());
         } else {
             // read to start of image, saving positions
             // First seek to the last position we already have, and skip the