CVE-2025-0995
📋 TL;DR
This is a use-after-free vulnerability in Chrome's V8 JavaScript engine that allows remote attackers to potentially exploit heap corruption. Attackers can trigger this by tricking users into visiting a malicious HTML page, potentially leading to arbitrary code execution. All users running vulnerable versions of Chrome are affected.
💻 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 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 code execution within the sandboxed Chrome process, potentially enabling further exploitation.
If Mitigated
Browser crash with no data loss if sandboxing holds, or successful blocking by security controls before exploitation.
🎯 Exploit Status
Exploitation requires user interaction (visiting malicious page) and bypassing Chrome's sandbox and other security mitigations.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 133.0.6943.98 and later
Vendor Advisory: https://chromereleases.googleblog.com/2025/02/stable-channel-update-for-desktop_12.html
Restart Required: No
Instructions:
1. Open Chrome. 2. Click the three-dot menu → Help → About Google Chrome. 3. Chrome will automatically check for and apply the update. 4. Relaunch Chrome if prompted.
🔧 Temporary Workarounds
Disable JavaScript
allPrevents execution of JavaScript that could trigger the vulnerability
Use Site Isolation
allEnables Chrome's Site Isolation feature to limit impact
🧯 If You Can't Patch
- Deploy web application firewall rules to block suspicious JavaScript patterns
- Implement network segmentation to limit browser access to critical systems
🔍 How to Verify
Check if Vulnerable:
Check Chrome version in Settings → About Chrome. If version is below 133.0.6943.98, system is vulnerable.
Check Version:
On Windows: "chrome://version/" in address bar. On macOS/Linux: google-chrome --version
Verify Fix Applied:
Confirm Chrome version is 133.0.6943.98 or higher in Settings → About Chrome.
📡 Detection & Monitoring
Log Indicators:
- Chrome crash reports with V8-related stack traces
- Unexpected Chrome process termination events
Network Indicators:
- Outbound connections to known malicious domains after visiting suspicious pages
- Unusual JavaScript execution patterns
SIEM Query:
source="chrome_logs" AND (event="crash" OR event="process_termination") AND process="chrome"