CVE-2025-0445: Google Chrome V8 Use After Free Vulnerability

CVE-2025-0445 Overview

Use after free in V8 in Google Chrome prior to 133.0.6943.53 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

Critical Impact
This vulnerability could lead to arbitrary code execution if exploited effectively, impacting user data safety.

Affected Products

Google Chrome

Discovery Timeline

Not Available - Vulnerability discovered by Not Available
Not Available - Responsible disclosure to Google
Not Available - CVE CVE-2025-0445 assigned
Not Available - Google releases security patch
2025-02-04T19:15:32.353 - CVE CVE-2025-0445 published to NVD
2025-04-08T12:25:50.060 - Last updated in NVD database

Technical Details for CVE-2025-0445

Vulnerability Analysis

This vulnerability is caused by a use-after-free condition in the V8 engine of Google Chrome, which is responsible for executing JavaScript. The issue allows for possible heap corruption, potentially resulting in arbitrary code execution.

Root Cause

The vulnerability originates from improper memory handling in the V8 engine, where memory is accessed after being freed.

Attack Vector

The attack is conducted remotely via a crafted HTML page that triggers the vulnerability within the browser.

javascript

// Example exploitation code (sanitized):
(function triggerUAF() {
  var arr = new ArrayBuffer(10);
  arr = null;
  // Further exploitation logic...
})();

Detection Methods for CVE-2025-0445

Indicators of Compromise

Unusual browser crashes
Unexpected memory utilization
Suspicious JavaScript activity

Detection Strategies

Monitoring for abnormal process behavior and memory corruption signs in the browser engine can help identify potential exploitation attempts.

Monitoring Recommendations

Utilize browser security tools and endpoint protection solutions to monitor and alert on memory corruption signals.

How to Mitigate CVE-2025-0445

Immediate Actions Required

Update Google Chrome to version 133.0.6943.53 or later
Apply patches as soon as they are available
Enable browser security features

Patch Information

The patched version of Google Chrome addresses this vulnerability by ensuring proper memory handling in the V8 engine.

Workarounds

As a temporary measure, disable JavaScript execution in the browser until updates can be applied. Use browser security extensions to block malicious scripts.

bash

# Configuration example
echo 'Disabling JavaScript execution temporarily:'
chrome --disable-javascript