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. CREATE(Triage):(User=admin) CVE-2021-21779 (https://nvd.nist.gov/vuln/detail/CVE-2021-21779)
