CVEs-PoC/2020/CVE-2020-12418.md

### [CVE-2020-12418](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12418)
![](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%2068.10%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=%3C%2068.10.0%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Version&message=%3C%2078%20&color=brighgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=Information%20disclosure%20due%20to%20manipulated%20URL%20object&color=brighgreen)

### Description

Manipulating individual parts of a URL object could have caused an out-of-bounds read, leaking process memory to malicious JavaScript. This vulnerability affects Firefox ESR < 68.10, Firefox < 78, and Thunderbird < 68.10.0.

### POC

#### Reference
- https://bugzilla.mozilla.org/show_bug.cgi?id=1641303

#### Github
- https://github.com/Live-Hack-CVE/CVE-2020-12418