CVE-2025-0436 – This integer overflow vulnerability in Chrome's... (How to Fix)

Q: What is the severity of CVE-2025-0436?

CVE-2025-0436 has a CVSS score of 8.8 (HIGH). This integer overflow vulnerability in Chrome's Skia graphics engine allows remote attackers to trigger heap corruption by luring users to malicious websites. All Chrome users on affected versions are vulnerable to potential code execution. The vulnerability requires user interaction but no authentication.

📋 TL;DR

This integer overflow vulnerability in Chrome's Skia graphics engine allows remote attackers to trigger heap corruption by luring users to malicious websites. All Chrome users on affected versions are vulnerable to potential code execution. The vulnerability requires user interaction but no authentication.

💻 Affected Systems

Products:

Google Chrome
Chromium-based browsers

Versions: All versions prior to 132.0.6834.83

Operating Systems: Windows, macOS, Linux, ChromeOS

Default Config Vulnerable: ⚠️ Yes

Notes: All default Chrome configurations are vulnerable. Extensions or security settings do not mitigate this vulnerability.

📦 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 or sandbox escape leading to limited code execution within browser context

🟢

If Mitigated

Browser crash with no further impact if sandbox holds and exploit fails

🌐 Internet-Facing: HIGH

🏢 Internal Only: MEDIUM

🎯 Exploit Status

Public PoC: ✅ No

Weaponized: UNKNOWN

Unauthenticated Exploit: ✅ No

Complexity: MEDIUM

Exploitation requires user to visit malicious website. No authentication required once user interacts with page.

🛠️ 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: No

Instructions:

1. Open Chrome. 2. Click three-dot menu → Help → About Google Chrome. 3. Chrome will automatically check for and install update. 4. Relaunch Chrome when prompted.

🔧 Temporary Workarounds

Disable JavaScript

all

Prevents exploitation by disabling JavaScript execution, but breaks most website functionality

chrome://settings/content/javascript → Block

🧯 If You Can't Patch

Use alternative browser until patch can be applied
Implement network filtering to block known malicious domains

🔍 How to Verify

Check if Vulnerable:

Check Chrome version in About Google Chrome page

Check Version:

chrome://version/

Verify Fix Applied:

Confirm Chrome version is 132.0.6834.83 or higher

📡 Detection & Monitoring

Log Indicators:

Chrome crash reports
Unexpected process termination events

Network Indicators:

Connections to suspicious domains followed by browser crashes

SIEM Query:

source="chrome" AND (event="crash" OR event="process_termination")

📊 Metadata

CVE ID: CVE-2025-0436

CVSS v3 Score: 8.8 (HIGH)

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

CWE: CWE-472

EPSS Score: 0.2% exploit probability (41.3th percentile)

Published: January 15, 2025

Last Updated: April 21, 2025

🔗 References

https://chromereleases.googleblog.com/2025/01/stable-channel-update-for-desktop_14.html Vendor Advisory
https://issues.chromium.org/issues/382786791 Exploit,Issue Tracking

📤 Share & Export

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