CVE-2025-13228

8.8 HIGH

📋 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

Products:
  • Google Chrome
  • Chromium-based browsers
Versions: All versions prior to 142.0.7444.59
Operating Systems: Windows, macOS, Linux, ChromeOS
Default Config Vulnerable: ⚠️ Yes
Notes: All standard Chrome installations are vulnerable. Extensions or security settings do not mitigate this vulnerability.

📦 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 same privileges as the Chrome process, potentially leading to full system compromise, data theft, or ransomware deployment.

🟠

Likely Case

Browser crash (denial of service) or limited memory corruption leading to information disclosure.

🟢

If Mitigated

Browser sandbox escape prevented, limiting impact to browser process only.

🌐 Internet-Facing: HIGH - Attackers can exploit via malicious websites without user interaction beyond visiting the site.
🏢 Internal Only: MEDIUM - Requires user to visit malicious internal site or compromised legitimate site.

🎯 Exploit Status

Public PoC: ✅ No
Weaponized: UNKNOWN
Unauthenticated Exploit: ⚠️ Yes
Complexity: MEDIUM

Type confusion vulnerabilities in V8 have historically been exploited in the wild. The high CVSS score suggests significant exploit potential.

🛠️ 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 the three-dot menu. 3. Go to Help > About Google Chrome. 4. Chrome will automatically check for and install updates. 5. Click Relaunch to restart Chrome.

🔧 Temporary Workarounds

Disable JavaScript

all

Prevents exploitation by disabling JavaScript execution, but breaks most website functionality.

Use Site Isolation

all

Ensure Chrome's Site Isolation feature is enabled to limit impact of successful exploitation.

🧯 If You Can't Patch

  • Restrict browser usage to trusted websites only
  • Implement application whitelisting to prevent execution of unknown processes

🔍 How to Verify

Check if Vulnerable:

Check Chrome version in Settings > About Chrome. If version is below 142.0.7444.59, system is vulnerable.

Check Version:

On Windows: "chrome://version/" in address bar. On Linux/macOS: google-chrome --version

Verify Fix Applied:

Confirm Chrome version is 142.0.7444.59 or higher in Settings > About Chrome.

📡 Detection & Monitoring

Log Indicators:

  • Chrome crash reports with V8-related errors
  • Unexpected process termination of chrome.exe

Network Indicators:

  • Requests to known malicious domains hosting exploit code
  • Unusual outbound connections from Chrome processes

SIEM Query:

source="chrome" AND (event_type="crash" OR message="V8")

🔗 References

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