PDFResurrect before 0.20 lack of header validation checks causes heap-buffer-overflow in pdf_get_version().
https://lists.debian.org/debian-lts-announce/2020/12/msg00002.html
https://github.com/enferex/pdfresurrect/issues/14
https://github.com/enferex/pdfresurrect/commit/1b422459f07353adce2878806d5247d9e91fb397