Andreas Lehmkühler created PDFBOX-4778:
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Summary: Avoid illegal matrix values
Key: PDFBOX-4778
URL: https://issues.apache.org/jira/browse/PDFBOX-4778
Project: PDFBox
Issue Type: Bug
Components: Parsing
Affects Versions: 2.0.18, 3.0.0 PDFBox
Reporter: Andreas Lehmkühler
Assignee: Andreas Lehmkühler
Fix For: 3.0.0 PDFBox, 2.0.20
Attachments: hang-090214-015108-51.pdf
[~tallison] found a bunch of problematic [pdfs|
https://bugs.ghostscript.com/show_bug.cgi?id=695040] and one of them runs very
slow/forever.
The attached pdf has a broken content stream so that a lot of matrix operations
are skipped due to missing values which lead to illegal values when multiplying
matrices. Some of the calculated test positions are broken and in the end text
extraction with sorting is very slow or runs infinite.
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