[PDFBOX-3446] Infinite loop while parsing

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.8.12, 1.8.13, 2.0.2, 2.0.3, 3.0.0 PDFBox
• Fix Version/s: 1.8.13, 2.0.3, 3.0.0 PDFBox
• Component/s: Parsing
• Assignee: Tilman Hausherr
• Reporter: Tilman Hausherr
• Created: 01/Aug/16 19:31
• Updated: 04/Sep/17 15:04
• Resolved: 16/Aug/16 16:11

Description

Attached file is corrupt, but should fail gracefully. Instead it goes into a loop:

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

Issue Links

• breaks: PDFBOX-3662 Regression on this file as a result of PDFBOX-3446 fix
• Is contained by: PDFBOX-3919 Infinite loop while parsing (2)
• is related to: PDFBOX-3627 "/Prev loop at offset 77418" on a valid document