CVE-2024-2173 in Chrome
Summary
by MITRE • 03/06/2024
Out of bounds memory access in V8 in Google Chrome prior to 122.0.6261.111 allowed a remote attacker to perform out of bounds memory access via a crafted HTML page. (Chromium security severity: High)
Be aware that VulDB is the high quality source for vulnerability data.
Analysis
by VulDB Data Team • 11/25/2025
The vulnerability identified as CVE-2024-2173 represents a critical out of bounds memory access flaw within the V8 JavaScript engine that powers Google Chrome and Chromium-based browsers. This vulnerability exists in versions prior to 122.0.6261.111 and constitutes a high severity issue according to Chromium security assessments. The flaw manifests when processing specially crafted HTML pages that trigger memory access violations beyond allocated boundaries, potentially enabling remote code execution or system compromise.
The technical nature of this vulnerability stems from improper bounds checking within V8's memory management routines. When the JavaScript engine processes malformed or malicious HTML content, it fails to validate array indices or memory access boundaries correctly, leading to unauthorized memory reads or writes. This type of vulnerability falls under CWE-129, which specifically addresses improper validation of array indices, and can be categorized as a memory safety issue within the broader context of software security flaws. The vulnerability is particularly dangerous because it operates entirely within the browser's JavaScript execution environment, where attackers can leverage it to bypass security restrictions and gain unauthorized access to system resources.
The operational impact of CVE-2024-2173 extends beyond simple memory corruption, as it enables remote attackers to execute arbitrary code on affected systems. Attackers can craft malicious web pages that, when loaded in vulnerable browsers, trigger the memory access violation and potentially deliver malware payloads, steal sensitive data, or establish persistent access to compromised systems. This vulnerability aligns with ATT&CK technique T1059.007 for JavaScript and VBA, as it exploits browser-based scripting environments to execute malicious code. The attack surface is particularly broad since web browsers are essential components of daily computing activities, making this vulnerability highly attractive to threat actors seeking widespread exploitation opportunities.
Mitigation strategies for this vulnerability primarily focus on immediate remediation through software updates, with organizations urged to deploy Chrome version 122.0.6261.111 or later immediately. Additional protective measures include implementing content security policies, enabling sandboxing features, and utilizing browser hardening techniques such as disabling unnecessary JavaScript features and employing web application firewalls. Security professionals should also consider deploying intrusion detection systems that can identify attempts to exploit this vulnerability through anomalous memory access patterns. The vulnerability demonstrates the critical importance of regular security updates and continuous monitoring of browser security patches, as it represents a fundamental flaw in the core execution engine that underpins modern web browsing experiences.