cve/2018/CVE-2018-6544.md

### [CVE-2018-6544](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-6544)
![](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

pdf_load_obj_stm in pdf/pdf-xref.c in Artifex MuPDF 1.12.0 could reference the object stream recursively and therefore run out of error stack, which allows remote attackers to cause a denial of service via a crafted PDF document.

### POC

#### Reference
- https://bugs.ghostscript.com/show_bug.cgi?id=698830
- https://bugs.ghostscript.com/show_bug.cgi?id=698830
- https://bugs.ghostscript.com/show_bug.cgi?id=698965
- https://bugs.ghostscript.com/show_bug.cgi?id=698965

#### Github
- https://github.com/0xCyberY/CVE-T4PDF
- https://github.com/ARPSyndicate/cvemon
- https://github.com/andir/nixos-issue-db-example