CVE-2025-11219
📋 TL;DR
A use-after-free vulnerability in Chrome's V8 JavaScript engine allows attackers to potentially access out-of-bounds memory via malicious HTML pages. This affects Google Chrome users running versions prior to 141.0.7390.54. The vulnerability could lead to memory corruption and potential 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 →⚠️ 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 information disclosure from memory.
If Mitigated
Browser sandbox prevents system-level compromise, resulting only in tab crashes.
🎯 Exploit Status
Requires JavaScript execution and memory manipulation expertise. No known active exploitation.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 141.0.7390.54 or later
Vendor Advisory: https://chromereleases.googleblog.com/2025/09/stable-channel-update-for-desktop_30.html
Restart Required: Yes
Instructions:
1. Open Chrome menu > Help > About Google Chrome. 2. Chrome will automatically check for updates. 3. Click 'Relaunch' when update is available. 4. Verify version is 141.0.7390.54 or higher.
🔧 Temporary Workarounds
Disable JavaScript
allPrevents exploitation by blocking JavaScript execution
chrome://settings/content/javascript > Block
Use Site Isolation
allEnforces process separation between websites
chrome://flags/#site-isolation-trial-opt-out > Disabled
🧯 If You Can't Patch
- Use alternative browser temporarily
- Enable Enhanced Safe Browsing and restrict browsing to trusted sites only
🔍 How to Verify
Check if Vulnerable:
Check Chrome version in menu > Help > About Google Chrome
Check Version:
google-chrome --version (Linux) or chrome://version
Verify Fix Applied:
Confirm version is 141.0.7390.54 or higher
📡 Detection & Monitoring
Log Indicators:
- Chrome crash reports
- Renderer process termination logs
- Sandbox violation attempts
Network Indicators:
- Requests to known exploit hosting domains
- Suspicious JavaScript payloads in traffic
SIEM Query:
source="chrome_logs" AND (event="crash" OR event="renderer_killed") AND version<"141.0.7390.54"