PoDoFo 0.9.5 allows denial of service (infinite recursion and stack consumption) via a crafted PDF file in PoDoFo::PdfParser::ReadDocumentStructure (PdfParser.cpp).
https://euvd.enisa.europa.eu/vulnerability/EUVD-2017-17016
http://www.evernote.com/l/AnGe5jS_MvNDaZvZW-fzvV37H4ggSf5IkQo/