[PDFBOX-5707] Avoid NPE when accessing the elements of a COSArray

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.0 PDFBox, 4.0.0
• Fix Version/s: 3.0.1 PDFBox, 4.0.0
• Assignee: Andreas Lehmkühler
• Reporter: Andreas Lehmkühler
• Created: 29/Oct/23 15:05
• Updated: 30/Nov/23 21:19
• Resolved: 20/Nov/23 16:54

Description

A user reports a NPE on Stackoverflow.

I happens when calling org.apache.pdfbox.cos.COSArray.getIndirectObjectKeys on a COSArray containing a null value.