[jira] Updated: (PDFBOX-647) Invalid dictionary causes infinate loop

["David Horwitz (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/PDFBOX-647?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

David Horwitz updated PDFBOX-647:
---------------------------------

    Attachment: Function Structure example.pdf

It appears the document is corrupted in some way - acroread opens it after a rebuild. Note this behaviour makes systems that run the code vunerable to a DOS attack from a document structured in this way.



> Invalid dictionary causes infinate loop
> ---------------------------------------
>
>                 Key: PDFBOX-647
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-647
>             Project: PDFBox
>          Issue Type: Bug
>          Components: Parsing
>    Affects Versions: 1.0.0
>            Reporter: David Horwitz
>            Priority: Critical
>         Attachments: Function Structure example.pdf
>
>
> Parsing a pdf document seemed to cause pdfbox to go into an infinate loop logging the following:
> 2010-03-03 23:25:33,923 WARN Timer-2 org.apache.pdfbox.pdfparser.BaseParser - Invalid dictionary, found:� but expected:''
> 2010-03-03 23:25:33,923 WARN Timer-2 org.apache.pdfbox.pdfparser.BaseParser - Invalid dictionary, found:� but expected:''
> 2010-03-03 23:25:33,923 WARN Timer-2 org.apache.pdfbox.pdfparser.BaseParser - Invalid dictionary, found:� but expected:''
> 2010-03-03 23:25:33,923 WARN Timer-2 org.apache.pdfbox.pdfparser.BaseParser - Invalid dictionary, found:� but expected:''
> 2010-03-03 23:25:33,923 WARN Timer-2 org.apache.pdfbox.pdfparser.BaseParser - Invalid dictionary, found:� but expected:'' 
> This caused the app servers log to fill up all available space ....

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