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From "Benedikt Ritter (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (IMAGING-178) PnmImageParser does not check the validity of input PAM header
Date Sun, 12 Jun 2016 14:48:21 GMT

     [ https://issues.apache.org/jira/browse/IMAGING-178?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Benedikt Ritter updated IMAGING-178:
------------------------------------
    Fix Version/s: 1.0

> PnmImageParser does not check the validity of input PAM header
> --------------------------------------------------------------
>
>                 Key: IMAGING-178
>                 URL: https://issues.apache.org/jira/browse/IMAGING-178
>             Project: Commons Imaging
>          Issue Type: Bug
>          Components: Format: PNM
>            Reporter: emopers
>             Fix For: 1.0
>
>
> PnmImageParser.java directly calls tokenizer.nextToken() at line no 160, 163, 166, 169
and 172 on java.util.StringTokenizer tokenizer without checking if there are more tokens.
 Because tokenizer is built from the bytes string that can be invalid, this can lead to a
runtime exception without a useful error message.  This can be easily fixed by calling tokenizer.hasMoreTokens()
before calling tokenizer.nextToken() at each line number mentioned before and throwing useful
error message.



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