An issue was discovered in Poppler 0.71.0. There is a out-of-bounds read in EmbFile::save2 in FileSpec.cc, will lead to denial of service, as demonstrated by utils/pdfdetach.cc not validating embedded files before save attempts.
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2018-19059.json"