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https://issues.apache.org/jira/browse/PDFBOX-5177?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andreas Lehmkühler closed PDFBOX-5177.
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Resolution: Fixed
> Optimize memory footprint of PDFObjectStreamParser
> --------------------------------------------------
>
> Key: PDFBOX-5177
> URL: https://issues.apache.org/jira/browse/PDFBOX-5177
> Project: PDFBox
> Issue Type: Improvement
> Components: Parsing
> Affects Versions: 2.0.23, 3.0.0 PDFBox
> Reporter: Andreas Lehmkühler
> Assignee: Andreas Lehmkühler
> Priority: Major
> Labels: CVE-2021-31811
> Fix For: 3.0.0 PDFBox, 2.0.24
>
>
> PDFObjectStreamParser uses the number of objects {{/N}} from the dictionary
> to initialize the map for object numbers/offsets (3.0.0) or list of objects
> (2.0-branch), but sometimes the value is too big or the stream can't be read,
> This may lead to a memory issue if resources are limited.
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