CVE-2025-0611: Google Chrome V8 RCE Vulnerability

CVE-2025-0611 Overview

CVE-2025-0611 is a heap-based buffer overflow vulnerability affecting the V8 JavaScript engine in Google Chrome. This object corruption flaw allows remote attackers to potentially exploit heap corruption through a crafted HTML page, leading to arbitrary code execution or denial of service. The vulnerability exists in Chrome versions prior to 132.0.6834.110 and represents a significant security risk for users browsing untrusted web content.

Critical Impact
Remote attackers can exploit this heap corruption vulnerability through malicious web pages, potentially compromising user systems without requiring any authentication or special privileges.

Affected Products

Google Chrome versions prior to 132.0.6834.110
All platforms running vulnerable Chrome versions (Windows, macOS, Linux)
Chromium-based browsers using vulnerable V8 engine versions

Discovery Timeline

2025-01-22 - CVE-2025-0611 published to NVD
2025-04-18 - Last updated in NVD database

Technical Details for CVE-2025-0611

Vulnerability Analysis

This vulnerability is classified as CWE-122 (Heap-based Buffer Overflow), occurring within Chrome's V8 JavaScript engine. The V8 engine is responsible for executing JavaScript code within Chrome, making it a critical component that processes untrusted content from websites. Object corruption within V8 can lead to heap memory corruption, which attackers can leverage to achieve code execution or crash the browser.

The attack can be initiated remotely over the network without requiring any user credentials or prior authentication. An attacker simply needs to convince a victim to visit a malicious webpage containing specially crafted JavaScript or HTML content that triggers the object corruption condition. The vulnerability affects the integrity and availability of the affected system.

Root Cause

The root cause of CVE-2025-0611 lies in improper handling of object operations within the V8 JavaScript engine. When certain object manipulations are performed, the engine fails to properly validate or manage heap memory allocations, leading to corruption of heap structures. This memory safety violation allows attackers to manipulate memory contents in ways the developers did not intend.

Attack Vector

The attack vector for this vulnerability is network-based, requiring the victim to visit a malicious webpage. The attacker would host or inject crafted HTML and JavaScript content designed to trigger the object corruption condition in V8. When the victim's browser processes this content, the heap corruption occurs, potentially allowing the attacker to execute arbitrary code within the context of the browser process or cause the browser to crash.

The vulnerability can be triggered through:

Directly visiting an attacker-controlled website
Loading malicious content through iframe injection on compromised sites
Malicious advertisements (malvertising) on legitimate websites
Phishing campaigns directing users to exploit pages

Detection Methods for CVE-2025-0611

Indicators of Compromise

Unexpected Chrome browser crashes or instability when visiting specific websites
Chrome renderer process crashes with heap corruption signatures
Suspicious JavaScript execution patterns in browser debug logs
Anomalous memory allocation patterns in V8 engine operations

Detection Strategies

Monitor for Chrome crash reports indicating heap corruption or V8-related failures
Implement browser version auditing to identify installations running versions prior to 132.0.6834.110
Deploy endpoint detection solutions capable of identifying exploitation attempts targeting browser vulnerabilities
Analyze network traffic for known malicious patterns associated with browser exploitation

Monitoring Recommendations

Enable Chrome's built-in crash reporting to identify potential exploitation attempts
Implement centralized logging for browser crashes across enterprise environments
Monitor for unusual outbound network connections following browser crashes
Configure security tools to alert on V8 exploitation signatures and heap spray patterns

How to Mitigate CVE-2025-0611

Immediate Actions Required

Update Google Chrome to version 132.0.6834.110 or later immediately
Enable automatic updates for Chrome to ensure timely security patch deployment
Audit enterprise environments for Chrome installations running vulnerable versions
Consider restricting access to untrusted websites until patches are deployed

Patch Information

Google has released a security update addressing this vulnerability in Chrome version 132.0.6834.110. The patch corrects the object handling issue in the V8 JavaScript engine that led to heap corruption. Organizations and users should update to this version or later as soon as possible.

For detailed information about this security update, refer to the Google Chrome Update Announcement.

Additional technical details can be found in the Chromium Issue Tracker Entry.

Workarounds

Enable Site Isolation in Chrome to limit the impact of renderer process compromises
Use browser extensions that block JavaScript execution on untrusted sites (e.g., NoScript equivalents)
Implement network-level filtering to block access to known malicious domains
Consider using enterprise browser policies to restrict access to high-risk websites until patching is complete

bash

# Verify Chrome version on Linux/macOS
google-chrome --version
# or
chromium --version

# Check if version is 132.0.6834.110 or higher
# If lower, update Chrome immediately through:
# - Chrome menu > Help > About Google Chrome
# - Or through your enterprise software management system