Related Vulnerabilities: CVE-2021-21806  

A security issue has been found in WebKitGTK and WPE WebKit before 2.30.6. An exploitable use-after-free vulnerability exists in WebKit. 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.

Severity Medium

Remote Yes

Type Arbitrary code execution

Description

A security issue has been found in WebKitGTK and WPE WebKit before 2.30.6. An exploitable use-after-free vulnerability exists in WebKit. 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.

AVG-2215 wpewebkit 2.30.5-1 2.30.6-1 Medium Fixed

AVG-2214 webkit2gtk 2.30.5-1 2.30.6-1 Medium Fixed

https://webkitgtk.org/security/WSA-2021-0004.html#CVE-2021-21806
https://talosintelligence.com/vulnerability_reports/TALOS-2020-1214