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Posted to dev@pdfbox.apache.org by "Andreas Lehmkühler (Jira)" <ji...@apache.org> on 2021/06/11 14:14:00 UTC
[jira] [Closed] (PDFBOX-5177) Optimize memory footprint of
PDFObjectStreamParser
[ https://issues.apache.org/jira/browse/PDFBOX-5177?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
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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