PoDoFo 0.9.6 ha un buffer overflow basata PdfString :: ConvertUTF16toUTF8 in base / PdfString.cpp.
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NTJ5AAM6Y4NMSELEH7N5ZG4DNO56BCYF/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CIC2EXSSMBT3MY2HY42IIY4BUQS2SVYB/
https://sourceforge.net/p/podofo/code/1969
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-9687