CVE-2026-34771 Electron: Use-after-free in WebContents fullscreen, pointer-lock, and keyboard-lock permission callbacks

Electron is a framework for writing cross-platform desktop applications using JavaScript, HTML and CSS. Prior to versions 38.8.6, 39.8.0, 40.7.0, and 41.0.0-beta.8, apps that register an asynchronous session.setPermissionRequestHandler may be vulnerable to a use-after-free when handling fullscree...

GHSA-8337-3P73-46F4 Electron: Use-after-free in WebContents fullscreen, pointer-lock, and keyboard-lock permission callbacks

Impact Apps that register an asynchronous session.setPermissionRequestHandler may be vulnerable to a use-after-free when handling fullscreen, pointer-lock, or keyboard-lock permission requests. If the requesting frame navigates or the window closes while the permission handler is pending, invokin...