CVE-2025-8292
📋 TL;DR
This is a use-after-free vulnerability in Chrome's Media Stream component 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 Chrome users on affected versions are vulnerable.
💻 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 privileges of the Chrome process, potentially leading to full system compromise if combined with privilege escalation.
Likely Case
Browser crash (denial of service) or limited code execution within Chrome's sandbox, potentially allowing data theft or further exploitation.
If Mitigated
No impact if Chrome is fully patched or if exploit attempts are blocked by security controls.
🎯 Exploit Status
Requires user to visit malicious page but no authentication needed. Heap corruption exploitation requires additional techniques to be reliable.
🛠️ Fix & Mitigation
✅ Official Fix
Patch Version: 138.0.7204.183 and later
Vendor Advisory: https://chromereleases.googleblog.com/2025/07/stable-channel-update-for-desktop_29.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 execution of malicious JavaScript that could trigger the vulnerability
chrome://settings/content/javascript → Block
Use Site Isolation
allEnhances Chrome's site isolation to limit impact of potential exploits
chrome://flags/#enable-site-per-process → Enable
🧯 If You Can't Patch
- Use alternative browser until Chrome can be updated
- Implement network filtering to block known malicious sites and restrict browsing to trusted domains only
🔍 How to Verify
Check if Vulnerable:
Check Chrome version: Open Chrome → Click three-dot menu → Help → About Google Chrome. If version is below 138.0.7204.183, you are vulnerable.Check Version:
On Windows: "C:\Program Files\Google\Chrome\Application\chrome.exe" --version
On macOS: /Applications/Google\ Chrome.app/Contents/MacOS/Google\ Chrome --version
On Linux: google-chrome --versionVerify Fix Applied:
After updating, verify Chrome version is 138.0.7204.183 or higher in About Google Chrome page.📡 Detection & Monitoring
Log Indicators:
- Chrome crash reports with media-related stack traces
- Unexpected Chrome process termination
- Security event logs showing Chrome sandbox violations
Network Indicators:
- HTTP requests to domains hosting HTML pages with media stream elements
- Unusual outbound connections following Chrome crashes
SIEM Query:
source="chrome_crash_reports" AND (process="chrome" OR process="chrome_child") AND message="media_stream" OR message="use-after-free"