CVE-2025-13230
📋 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, potentially stealing cookies/session data.
If Mitigated
Browser crash with no data loss if sandbox holds, or successful patch prevents exploitation entirely.
🎯 Exploit Status
Exploitation requires user interaction (visiting malicious page) but no authentication. Type confusion vulnerabilities in V8 have historically been exploited in the wild.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 142.0.7444.59 and 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' to restart Chrome with the patched version.
🔧 Temporary Workarounds
Disable JavaScript
allPrevents exploitation by disabling JavaScript execution, but breaks most websites.
Use Site Isolation
allEnsure Chrome's Site Isolation feature is enabled to limit impact of renderer process compromise.
🧯 If You Can't Patch
- Restrict access to untrusted websites using web filtering or proxy controls.
- Use application allowlisting to prevent execution of malicious payloads if browser compromise occurs.
🔍 How to Verify
Check if Vulnerable:
Check Chrome version in Settings → About Chrome. If version is below 142.0.7444.59, the system is vulnerable.Check Version:
On Windows: "C:\Program Files\Google\Chrome\Application\chrome.exe" --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 page.📡 Detection & Monitoring
Log Indicators:
- Chrome crash reports
- Renderer process termination events
- Unexpected memory access violations in system logs
Network Indicators:
- Requests to known exploit domains
- Unusual outbound connections from Chrome processes
SIEM Query:
process_name:"chrome.exe" AND (event_id:1000 OR event_id:1001) OR process_name:"chrome" AND signal:SIGSEGV