A use-after-free vulnerability exists in the MediaRecorder API of Webkit WebKitGTK 2.40.5. A specially crafted web page can abuse this vulnerability to cause memory corruption and potentially arbitrary code execution. A user would need to to visit a malicious webpage to trigger this vulnerability. CREATE(Triage):(User=admin) CVE-2023-39928 (https://nvd.nist.gov/vuln/detail/CVE-2023-39928)