CVEs-PoC/2017/CVE-2017-8911.md

### [CVE-2017-8911](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8911)
![](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

An integer underflow has been identified in the unicode_to_utf8() function in tnef 1.4.14. This might lead to invalid write operations, controlled by an attacker.

### POC

#### Reference
- https://github.com/verdammelt/tnef/issues/23

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