CVEs-PoC/2021/CVE-2021-21779.md

### [CVE-2021-21779](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-21779)
![](https://img.shields.io/static/v1?label=Product&message=Webkit&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-416%3A%20Use%20After%20Free&color=brighgreen)

### Description

A use-after-free vulnerability exists in the way Webkit’s GraphicsContext handles certain events in WebKitGTK 2.30.4. A specially crafted web page can lead to a potential information leak and further memory corruption. A victim must be tricked into visiting a malicious web page to trigger this vulnerability.

### POC

#### Reference
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1238

#### Github
- https://github.com/ARPSyndicate/cvemon