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CVE-2021-21806

Description

An exploitable use-after-free vulnerability exists in WebKitGTK browser version 2.30.3 x64. A specially crafted HTML web page can cause a use-after-free condition, resulting in remote code execution. The victim needs to visit a malicious web site to trigger the vulnerability.

POC

Reference

- https://talosintelligence.com/vulnerability_reports/TALOS-2020-1214

Github

- https://github.com/Live-Hack-CVE/CVE-2021-21806