CVE-2025-13638
📋 TL;DR
This CVE describes a use-after-free vulnerability in Chrome's Media Stream component that could allow heap corruption. Attackers could exploit this via malicious HTML pages to potentially execute arbitrary code or cause browser crashes. All Chrome users on vulnerable versions 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 →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 malware installation
Likely Case
Browser crash/denial of service or limited memory corruption leading to information disclosure
If Mitigated
Browser sandboxing may limit impact to browser process only, preventing full system compromise
🎯 Exploit Status
Exploitation requires user interaction (visiting malicious page) but no authentication. Heap corruption exploitation requires additional techniques.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 143.0.7499.41 and later
Vendor Advisory: https://chromereleases.googleblog.com/2025/12/stable-channel-update-for-desktop.html
Restart Required: Yes
Instructions:
1. Open Chrome 2. Click menu (three dots) → Help → About Google Chrome 3. Chrome will automatically check for and install updates 4. Click 'Relaunch' to restart Chrome
🔧 Temporary Workarounds
Disable JavaScript
allPrevents execution of malicious JavaScript that could trigger the vulnerability
chrome://settings/content/javascript → Block
Use site isolation
allEnables Chrome's site isolation feature to limit impact
chrome://flags/#site-isolation-trial-opt-out → Disabled
🧯 If You Can't Patch
- Use alternative browser until patch can be applied
- Implement network filtering to block suspicious HTML content
🔍 How to Verify
Check if Vulnerable:
Check Chrome version via chrome://settings/help or 'About Google Chrome'Check Version:
google-chrome --version (Linux) or check via chrome://versionVerify Fix Applied:
Verify Chrome version is 143.0.7499.41 or higher📡 Detection & Monitoring
Log Indicators:
- Chrome crash reports
- Unexpected process termination
- Memory access violation logs
Network Indicators:
- Requests to known exploit hosting domains
- Suspicious HTML/JavaScript delivery
SIEM Query:
source="chrome_crash_reports" AND (process="chrome.exe" OR process="Google Chrome") AND severity="critical"