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https://issues.apache.org/jira/browse/PDFBOX-2187?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Andreas Lehmkühler closed PDFBOX-2187.
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> ArrayIndexOutOfBoundsException in TIFFFaxDecoder
> ------------------------------------------------
>
> Key: PDFBOX-2187
> URL: https://issues.apache.org/jira/browse/PDFBOX-2187
> Project: PDFBox
> Issue Type: Bug
> Components: Rendering
> Affects Versions: 1.8.6, 1.8.7, 2.0.0
> Reporter: Tilman Hausherr
> Assignee: Tilman Hausherr
> Labels: CCITTFaxDecode, ccitt
> Fix For: 1.8.7, 2.0.0
>
> Attachments: tiffT6-line1002-002145.pdf, tiffT6-line1002-002489.pdf,
> tiffT6-line1002-p002145u.pdf, tiffT6-line916-005541u.pdf
>
>
> I get ArrayIndexOutOfBoundsExceptions at two locations with several files
> from the digitalcorpora site:
> {code}
> Exception in thread "AWT-EventQueue-0"
> java.lang.ArrayIndexOutOfBoundsException: 16
> at
> org.apache.pdfbox.filter.ccitt.TIFFFaxDecoder.decodeT6(TIFFFaxDecoder
> .java:1002) at
> org.apache.pdfbox.filter.CCITTFaxFilter.decode(CCITTFaxFilter.java:95)
> ...
> {code}
> or
> {code}
> Exception in thread "AWT-EventQueue-0"
> java.lang.ArrayIndexOutOfBoundsException:1
> at
> org.apache.pdfbox.filter.ccitt.TIFFFaxDecoder.decodeT6(TIFFFaxDecoder.java:916)
> at
> org.apache.pdfbox.filter.CCITTFaxFilter.decode(CCITTFaxFilter.java:95)
> {code}
> The fix, which is also used by others who use the same code and which solves
> both exceptions, is to increase w by one in this segment:
> {code}
> this.prevChangingElems = new int[w];
> this.currChangingElems = new int[w];
> {code}
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