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https://issues.apache.org/jira/browse/PDFBOX-6244?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18108761#comment-18108761
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Maruan Sahyoun commented on PDFBOX-6244:
----------------------------------------

I've revised SECURITY.md as discussed but added one sentence as the definition 
has been a little to broad:

{quote}
  This does not apply when an application explicitly invokes PDFBox's signature 
or
  permission verification APIs and PDFBox produces an incorrect result.
  **Such correctness issues remain in scope**.
{quote}
 

> Clarify that parsing doesn't check signatures
> ---------------------------------------------
>
>                 Key: PDFBOX-6244
>                 URL: https://issues.apache.org/jira/browse/PDFBOX-6244
>             Project: PDFBox
>          Issue Type: Improvement
>          Components: Documentation
>            Reporter: Tilman Hausherr
>            Assignee: Tilman Hausherr
>            Priority: Minor
>             Fix For: 2.0.38, 3.0.9 PDFBox, 4.0.0
>
>
> Clarify that parsing doesn't check whether any signatures are verified / 
> valid, and that loading a manipulated / "updated" PDF will not fail parsing. 
> This applies to certification constraints as well. This behavior is not a 
> security flaw, it's a missing feature. The ShowSignature example offers a 
> limited signature check. The gold standard is Adobe Reader.



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