CVE-2025-0437
📋 TL;DR
This vulnerability allows a remote attacker to trigger an out-of-bounds read in Chrome's Metrics component via a crafted HTML page, potentially leading to heap corruption. All users running vulnerable versions of Google Chrome are affected. The attacker could exploit this to execute arbitrary code or cause denial of service.
💻 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 installation of persistent malware.
Likely Case
Browser crash (denial of service) or limited information disclosure from memory.
If Mitigated
Browser sandbox may contain the damage to the browser process only, preventing full system compromise.
🎯 Exploit Status
Exploitation requires user interaction (visiting malicious site) but no authentication. Heap corruption exploitation is non-trivial but feasible.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 132.0.6834.83 or later
Vendor Advisory: https://chromereleases.googleblog.com/2025/01/stable-channel-update-for-desktop_14.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 execution of malicious scripts that could trigger the vulnerability
chrome://settings/content/javascript → Block
Use site isolation
allLimits impact by isolating websites in separate processes (already enabled by default in modern Chrome)
chrome://flags/#site-isolation-trial-opt-out → Disabled
🧯 If You Can't Patch
- Deploy network filtering to block known malicious sites and scripts
- Use application allowlisting to restrict browser execution to trusted instances only
🔍 How to Verify
Check if Vulnerable:
Check Chrome version: if earlier than 132.0.6834.83, you are vulnerable.Check Version:
On Chrome: chrome://version/ or Command Line: google-chrome --versionVerify Fix Applied:
Confirm Chrome version is 132.0.6834.83 or later after update.📡 Detection & Monitoring
Log Indicators:
- Chrome crash reports with exception codes like ACCESS_VIOLATION
- Unexpected browser process termination in system logs
Network Indicators:
- Requests to unusual domains with crafted HTML/JS payloads
- Multiple users accessing same malicious site
SIEM Query:
source="chrome_crash_reports" AND (exception_code="0xc0000005" OR process_name="chrome.exe")