CVE-2025-13229
📋 TL;DR
A type confusion vulnerability in Chrome's V8 JavaScript engine allows attackers to trigger heap corruption by tricking the browser into misinterpreting object types. This affects all users running vulnerable versions of Google Chrome on any platform. Attackers can exploit this through malicious web pages.
💻 Affected Systems
- Google Chrome
- Chromium-based browsers
📦 What is this software?
Chrome by Google
Google Chrome is the world's most popular web browser, used by over 3 billion users globally across Windows, macOS, Linux, Android, and iOS platforms. As a Chromium-based browser developed by Google, Chrome dominates the browser market with approximately 65% market share, making it a critical compon...
Learn more about Chrome →Chrome by Google
Google Chrome is the world's most popular web browser, used by over 3 billion users globally across Windows, macOS, Linux, Android, and iOS platforms. As a Chromium-based browser developed by Google, Chrome dominates the browser market with approximately 65% market share, making it a critical compon...
Learn more about Chrome →⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to full system compromise, data theft, or ransomware deployment.
Likely Case
Browser crash (denial of service) or limited sandbox escape allowing data exfiltration.
If Mitigated
Browser crash with no further impact if sandbox holds.
🎯 Exploit Status
Type confusion vulnerabilities in V8 often lead to reliable exploits, but no public exploit exists yet.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 142.0.7444.59 or later
Vendor Advisory: https://chromereleases.googleblog.com/2025/10/stable-channel-update-for-desktop_28.html
Restart Required: Yes
Instructions:
1. Open Chrome. 2. Click three dots → Help → About Google Chrome. 3. Chrome will auto-update if available. 4. Click Relaunch. For enterprise: Deploy Chrome 142.0.7444.59+ via management tools.
🔧 Temporary Workarounds
Disable JavaScript
allPrevents exploitation by blocking JavaScript execution.
Use Site Isolation
allEnforces process separation between sites to limit impact.
🧯 If You Can't Patch
- Restrict browsing to trusted sites only.
- Use application allowlisting to block Chrome execution.
🔍 How to Verify
Check if Vulnerable:
Check Chrome version: if below 142.0.7444.59, you are vulnerable.Check Version:
On Windows/macOS/Linux: chrome://version or 'google-chrome --version' in terminal.Verify Fix Applied:
Confirm Chrome version is 142.0.7444.59 or higher.📡 Detection & Monitoring
Log Indicators:
- Chrome crash reports
- Unexpected process termination logs
Network Indicators:
- Requests to known exploit domains
- Unusual outbound connections from Chrome
SIEM Query:
source="chrome_crash_logs" AND event_type="crash" AND version<"142.0.7444.59"