FULL PRODUCT VERSION :
java version "1.6.0_18"
Java(TM) SE Runtime Environment (build 1.6.0_18-b07)
Java HotSpot(TM) Client VM (build 16.0-b13, mixed mode, sharing)

ADDITIONAL OS VERSION INFORMATION :
Windows XP SP3

A DESCRIPTION OF THE PROBLEM :
Attempting to read a certain malformed PNG with ImageIO.read() results in an IndexOutOfBoundException.

STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
1. Download http://www.crappycomic.com/stuff/test.png
2. Attempt to open it using ImageIO.read()

EXPECTED VERSUS ACTUAL BEHAVIOR :
EXPECTED -
An IOException, since a problem occurred while reading the file.
ACTUAL -
An IndexOutOfBoundsException. Stack trace below.

ERROR MESSAGES/STACK TRACES THAT OCCUR :
Exception in thread "main" java.lang.IndexOutOfBoundsException: pos < flushedPos!
at javax.imageio.stream.FileImageInputStream.seek(Unknown Source)
at javax.imageio.stream.ImageInputStreamImpl.skipBytes(Unknown Source)
at com.sun.imageio.plugins.png.PNGImageReader.readMetadata(Unknown Source)
at com.sun.imageio.plugins.png.PNGImageReader.readImage(Unknown Source)
at com.sun.imageio.plugins.png.PNGImageReader.read(Unknown Source)
at javax.imageio.ImageIO.read(Unknown Source)
at javax.imageio.ImageIO.read(Unknown Source)
at PNGTest.main(PNGTest.java:10)


REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
import java.io.File;
import java.io.IOException;

import javax.imageio.ImageIO;

public class PNGTest
{
   public static void main(String[] args) throws IOException
   {
      ImageIO.read(new File("c:/test.png"));
   }
}

---------- END SOURCE ----------

CUSTOMER SUBMITTED WORKAROUND :
It's not hard to catch the exception and wrap it, but it's touchy, in case something else throws a similar exception for a different reason.