CVE-2025-8010 in Chrome
Summary
by MITRE • 07/23/2025
Type Confusion in V8 in Google Chrome prior to 138.0.7204.168 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)
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Analysis
by VulDB Data Team • 08/28/2025
This vulnerability represents a critical type confusion flaw in the V8 JavaScript engine used by Google Chrome and Chromium-based browsers. The issue arises from improper handling of object types during runtime execution, specifically when the engine fails to properly validate type information during object manipulation. Such type confusion vulnerabilities occur when the runtime system incorrectly interprets the type of an object, leading to memory corruption that can be exploited by malicious actors. The vulnerability affects versions prior to 138.0.7204.168 and has been classified with a high severity rating by the Chromium security team, indicating significant risk to user systems.
The technical implementation of this vulnerability stems from V8's memory management and object type handling mechanisms. When processing crafted HTML content, the JavaScript engine encounters scenarios where object types are not properly validated before operations are performed on them. This allows an attacker to manipulate memory layout and potentially execute arbitrary code through heap corruption. The flaw typically manifests when the engine's type inference system fails to maintain proper type consistency during complex object operations, creating opportunities for attackers to craft specific JavaScript code that triggers the type confusion condition. This vulnerability aligns with CWE-479, which describes the weakness of reliance on the type of an object without proper validation, and maps to ATT&CK technique T1059.007 for JavaScript-based execution.
The operational impact of this vulnerability extends beyond simple browser exploitation, as it can be leveraged in sophisticated attack chains targeting user systems. Remote attackers can construct malicious web pages that, when loaded in affected browsers, trigger the heap corruption condition and potentially gain arbitrary code execution capabilities. This makes the vulnerability particularly dangerous in phishing campaigns or when users visit compromised websites. The exploitability of this flaw increases significantly in environments where users frequently browse untrusted content, as the attack surface expands to include numerous web-based delivery mechanisms. The vulnerability demonstrates the critical importance of proper memory management and type validation in high-performance JavaScript engines used by modern browsers.
Mitigation strategies for this vulnerability primarily focus on immediate browser updates to versions 138.0.7204.168 or later, which contain the necessary patches to address the type confusion issue. Organizations should implement comprehensive patch management procedures to ensure all affected systems are updated promptly. Additional protective measures include deploying web application firewalls, implementing strict content security policies, and utilizing browser security features such as sandboxing and strict MIME type checking. Network-level protections can also help by blocking access to known malicious domains and implementing heuristic-based detection for suspicious JavaScript patterns. Security teams should monitor for exploitation attempts through threat intelligence feeds and implement proper incident response procedures to handle potential compromises. The vulnerability serves as a reminder of the critical need for continuous security monitoring and rapid response capabilities in defending against sophisticated browser-based attacks that target fundamental engine components.