[PDFBOX-5044] Stack overflow in PDFieldTree.enqueueKids()

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.0.22, 3.0.0 PDFBox
• Fix Version/s: 2.0.22, 3.0.0 PDFBox
• Component/s: AcroForm
• Labels: StackOverflowError
• Assignee: Tilman Hausherr
• Reporter: Tilman Hausherr
• Created: 12/Dec/20 16:37
• Updated: 20/Dec/20 18:48
• Resolved: 13/Dec/20 05:37

Description

    org.apache.pdfbox.pdmodel.interactive.form.PDFieldTree$FieldIterator.enqueueKids(PDFieldTree.java:102)
    org.apache.pdfbox.pdmodel.interactive.form.PDFieldTree$FieldIterator.enqueueKids(PDFieldTree.java:102)
    org.apache.pdfbox.pdmodel.interactive.form.PDFieldTree$FieldIterator.enqueueKids(PDFieldTree.java:102)
    org.apache.pdfbox.pdmodel.interactive.form.PDFieldTree$FieldIterator.enqueueKids(PDFieldTree.java:102)
    org.apache.pdfbox.pdmodel.interactive.form.PDFieldTree$FieldIterator.enqueueKids(PDFieldTree.java:102)

I'll use an extra set to detect this.