CVE-2025-5068
📋 TL;DR
This is a use-after-free vulnerability in Chrome's Blink rendering engine that could allow remote attackers to execute arbitrary code or cause denial of service. It affects Google Chrome users on all platforms who visit malicious websites. The vulnerability has a high CVSS score of 8.8 due to its potential impact.
💻 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 →⚠️ Risk & Real-World Impact
Worst Case
Remote code execution leading to complete system compromise, data theft, or ransomware deployment.
Likely Case
Browser crash/denial of service or limited sandbox escape leading to information disclosure.
If Mitigated
Browser crash with no further impact due to Chrome's sandbox protections.
🎯 Exploit Status
Exploitation requires user interaction (visiting malicious page) but no authentication. Heap corruption vulnerabilities can be challenging to weaponize reliably.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 137.0.7151.68 and later
Vendor Advisory: https://chromereleases.googleblog.com/2025/06/stable-channel-update-for-desktop.html
Restart Required: Yes
Instructions:
1. Open Chrome. 2. Click the three-dot menu → Help → About Google Chrome. 3. Chrome will automatically check for and install updates. 4. Click 'Relaunch' to restart Chrome with the update.
🔧 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 (default in recent versions).
🧯 If You Can't Patch
- Restrict browser usage to trusted websites only
- Implement network filtering to block malicious domains
🔍 How to Verify
Check if Vulnerable:
Check Chrome version in Settings → About Chrome. If version is below 137.0.7151.68, you are vulnerable.Check Version:
chrome://version/ or 'google-chrome --version' on LinuxVerify Fix Applied:
Verify Chrome version is 137.0.7151.68 or higher in Settings → About Chrome.📡 Detection & Monitoring
Log Indicators:
- Chrome crash reports
- Unexpected process termination logs
- Sandbox escape attempts
Network Indicators:
- Requests to known exploit domains
- Unusual outbound connections from Chrome processes
SIEM Query:
source="chrome_crash_reports" AND (process="chrome.exe" OR process="Google Chrome") AND severity="HIGH"