CVEs-PoC/2018/CVE-2018-5095.md

### [CVE-2018-5095](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-5095)
![](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=Integer%20overflow%20in%20Skia%20library%20during%20edge%20builder%20allocation&color=brighgreen)

### Description

An integer overflow vulnerability in the Skia library when allocating memory for edge builders on some systems with at least 8 GB of RAM. This results in the use of uninitialized memory, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.6, Firefox ESR < 52.6, and Firefox < 58.

### POC

#### Reference
- https://bugzilla.mozilla.org/show_bug.cgi?id=1418447

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