CVEs-PoC/2021/CVE-2021-23158.md

### [CVE-2021-23158](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-23158)
![](https://img.shields.io/static/v1?label=Product&message=htmldoc&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3D%20Affects%20%20v1.9.12%20and%20before.%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-415%20(Double%20Free)&color=brighgreen)

### Description

A flaw was found in htmldoc in v1.9.12. Double-free in function pspdf_export(),in ps-pdf.cxx may result in a write-what-where condition, allowing an attacker to execute arbitrary code and denial of service.

### POC

#### Reference
- https://github.com/michaelrsweet/htmldoc/issues/414

#### Github
No PoCs found on GitHub currently.