CVE-2025-13227
📋 TL;DR
A type confusion vulnerability in Chrome's V8 JavaScript engine allows attackers to trigger heap corruption by tricking the engine into treating one data type as another. This affects all users running vulnerable versions of Google Chrome. Successful exploitation could lead to arbitrary code execution.
💻 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 with the privileges of the Chrome process, potentially leading to full system compromise if combined with privilege escalation.
Likely Case
Browser crash (denial of service) or limited code execution within the Chrome sandbox.
If Mitigated
Sandbox escape prevented by Chrome's security layers, resulting only in tab crash.
🎯 Exploit Status
Type confusion vulnerabilities in V8 have historically been exploited in the wild. No public exploit available 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-dot menu → Help → About Google Chrome. 3. Chrome will automatically check for and install updates. 4. Click 'Relaunch' when prompted.
🔧 Temporary Workarounds
Disable JavaScript
allPrevents exploitation by disabling JavaScript execution, but breaks most websites.
Use Site Isolation
allEnable Chrome's Site Isolation feature to limit impact if exploited.
🧯 If You Can't Patch
- Use alternative browser temporarily
- Restrict browsing to trusted websites only
🔍 How to Verify
Check if Vulnerable:
Check Chrome version in Settings → About Chrome. If version is below 142.0.7444.59, you are vulnerable.Check Version:
On Windows: chrome://version/ | On Linux: google-chrome --version | On macOS: /Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome --versionVerify Fix Applied:
Confirm Chrome version is 142.0.7444.59 or higher in About Chrome.📡 Detection & Monitoring
Log Indicators:
- Chrome crash reports
- Renderer process termination logs
- Unexpected memory access errors
Network Indicators:
- Requests to suspicious domains with JavaScript payloads
- Unusual outbound connections after visiting websites
SIEM Query:
source="chrome_crash_reports" AND process="chrome" AND (error="SIGSEGV" OR error="heap corruption")