The PoDoFo::PdfParser::ReadXRefSubsection function in PdfParser.cpp 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/2017/02/01/podofo-null-pointer-dereference-in-podofopdfparserreadxrefsubsection-pdfparser-cpp/http://www.securityfocus.com/bid/96516