The PoDoFo::PdfVariant::DelayedLoad function in PdfVariant.h in PoDoFo 0.9.6 allows remote attackers to cause a denial of service (NULL pointer dereference) via a crafted file, because of ImageExtractor.cpp.
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2019-20093.json"