[ 
https://issues.apache.org/jira/browse/PDFBOX-3446?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15402757#comment-15402757
 ] 

ASF subversion and git services commented on PDFBOX-3446:
---------------------------------------------------------

Commit 1754796 from [~tilman] in branch 'pdfbox/branches/1.8'
[ https://svn.apache.org/r1754796 ]

PDFBOX-3446: avoid /Prev loop

> Infinite loop while parsing
> ---------------------------
>
>                 Key: PDFBOX-3446
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-3446
>             Project: PDFBox
>          Issue Type: Bug
>          Components: Parsing
>    Affects Versions: 1.8.12, 1.8.13, 2.0.2, 2.0.3, 2.1.0
>            Reporter: Tilman Hausherr
>         Attachments: PDFBOX-3446.pdf
>
>
> Attached file is corrupt, but should fail gracefully. Instead it goes into a 
> loop:
> {code}
> Aug 01, 2016 9:35:14 PM org.apache.pdfbox.pdfparser.COSParser parseXrefTable
> WARNUNG: invalid xref line: 0000497701 00000 
> ¶ñw%?CÞ?ò.þ=^VP?»?y2+?6Aºo;-Ó?^?úrhf-d?lÍ£YYD
> Aug 01, 2016 9:35:14 PM org.apache.pdfbox.pdfparser.COSParser parseXref
> WARNUNG: Expected trailer object at position 507957, keep trying
> Aug 01, 2016 9:35:14 PM org.apache.pdfbox.pdfparser.COSParser parseXrefTable
> WARNUNG: invalid xref line: 0000497701 00000 
> ¶ñw%?CÞ?ò.þ=^VP?»?y2+?6Aºo;-Ó?^?úrhf-d?lÍ£YYD
> Aug 01, 2016 9:35:14 PM org.apache.pdfbox.pdfparser.COSParser parseXref
> WARNUNG: Expected trailer object at position 507957, keep trying
> Aug 01, 2016 9:35:14 PM org.apache.pdfbox.pdfparser.COSParser parseXrefTable
> WARNUNG: invalid xref line: 0000497701 00000 
> ¶ñw%?CÞ?ò.þ=^VP?»?y2+?6Aºo;-Ó?^?úrhf-d?lÍ£YYD
> Aug 01, 2016 9:35:14 PM org.apache.pdfbox.pdfparser.COSParser parseXref
> WARNUNG: Expected trailer object at position 507957, keep trying
> Aug 01, 2016 9:35:14 PM org.apache.pdfbox.pdfparser.COSParser parseXrefTable
> {code}



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