Description jpeg_size in pdfgen.c in PDFGen before 2018-04-09 has a heap-based buffer over-read. References https://github.com/AndreRenaud/PDFGen/commit/ee58aff6918b8bbc3be29b9e3089485ea46ff956 https://github.com/ChijinZ/security_advisories/tree/master/PDFgen-206ef1b