### [CVE-2018-20662](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-20662) ![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue) ![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue) ![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen) ### Description In Poppler 0.72.0, PDFDoc::setup in PDFDoc.cc allows attackers to cause a denial-of-service (application crash caused by Object.h SIGABRT, because of a wrong return value from PDFDoc::setup) by crafting a PDF file in which an xref data structure is mishandled during extractPDFSubtype processing. ### POC #### Reference - https://gitlab.freedesktop.org/poppler/poppler/issues/706 - https://gitlab.freedesktop.org/poppler/poppler/issues/706 #### Github - https://github.com/0xCyberY/CVE-T4PDF - https://github.com/ARPSyndicate/cvemon