Related Vulnerabilities: CVE-2021-21779  

A security issue has been found in WebKitGTK and WPE WebKit before 2.32.3. A use-after-free vulnerability exists in the way that WebKit GraphicsContext handles certain events. 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.

Severity Medium

Remote Yes

Type Information disclosure

Description

A security issue has been found in WebKitGTK and WPE WebKit before 2.32.3. A use-after-free vulnerability exists in the way that WebKit GraphicsContext handles certain events. 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.

AVG-2221 wpewebkit 2.32.2-1 2.32.3-1 High Fixed

AVG-2220 webkit2gtk 2.32.2-1 2.32.3-1 High Fixed

https://webkitgtk.org/security/WSA-2021-0004.html#CVE-2021-21779
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1238