The PoDoFo::PdfVariant::DelayedLoad function in PdfVariant.h in PoDoFo 0.9.4 allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted file.Referenceshttps://blogs.gentoo.org/ago/2017/03/02/podofo-null-pointer-dereference-in-podofopdfvariantdelayedload-pdfvariant-h/