CVEs-PoC/2018/CVE-2018-5104.md

### [CVE-2018-5104](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-5104)
![](https://img.shields.io/static/v1?label=Product&message=Firefox%20ESR&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Firefox&color=blue)
![](https://img.shields.io/static/v1?label=Product&message=Thunderbird&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=%3C%2052.6%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=%3C%2058%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Use-after-free%20during%20font%20face%20manipulation&color=brighgreen)

### Description

A use-after-free vulnerability can occur during font face manipulation when a font face is freed while still in use, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.6, Firefox ESR < 52.6, and Firefox < 58.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/ZihanYe/web-browser-vulnerabilities