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https://issues.apache.org/jira/browse/PDFBOX-4349?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16658382#comment-16658382
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Robin Schimpf commented on PDFBOX-4349:
---------------------------------------
Thanks for the fix!
Since I found similar ClassCastExceptions elsewhere the convenience methods are
a good addition (y)
> ClassCastException in COSParser
> -------------------------------
>
> Key: PDFBOX-4349
> URL: https://issues.apache.org/jira/browse/PDFBOX-4349
> Project: PDFBox
> Issue Type: Bug
> Affects Versions: 2.0.12
> Reporter: Robin Schimpf
> Assignee: Andreas Lehmkühler
> Priority: Minor
> Fix For: 2.0.13, 3.0.0 PDFBox
>
> Attachments: ClassCastException
> COSParser#parseTrailerValuesDynamically
>
>
> Fuzzing PDF loading with [JQF|https://github.com/rohanpadhye/jqf] triggered
> an ClassCastException.
> {code:java}
> java.lang.ClassCastException: org.apache.pdfbox.cos.COSInteger cannot be cast
> to org.apache.pdfbox.cos.COSObject
> at
> org.apache.pdfbox.pdfparser.COSParser.parseTrailerValuesDynamically(COSParser.java:2841)
> at
> org.apache.pdfbox.pdfparser.PDFParser.initialParse(PDFParser.java:173)
> at org.apache.pdfbox.pdfparser.PDFParser.parse(PDFParser.java:220)
> at org.apache.pdfbox.pdmodel.PDDocument.load(PDDocument.java:1160)
> at org.apache.pdfbox.pdmodel.PDDocument.load(PDDocument.java:1057)
> ...
> {code}
> The Code used for fuzzing is
> {code:java}
> PDDocument.load(inputStream)
> {code}
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