CVE-2024-5837 in Chrome
Summary
by MITRE • 06/12/2024
Type Confusion in V8 in Google Chrome prior to 126.0.6478.54 allowed a remote attacker to potentially perform out of bounds memory access via a crafted HTML page. (Chromium security severity: High)
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Analysis
by VulDB Data Team • 03/24/2025
The vulnerability identified as CVE-2024-5837 represents a critical type confusion issue within the V8 JavaScript engine used in Google Chrome browsers. This flaw exists in versions prior to 126.0.6478.54 and constitutes a high severity threat according to Chromium security assessments. Type confusion vulnerabilities occur when a program incorrectly handles data types during execution, leading to unpredictable behavior and potential exploitation opportunities. The specific nature of this vulnerability allows remote attackers to execute out of bounds memory access operations through maliciously crafted HTML pages, making it particularly dangerous in web-based attack scenarios.
The technical implementation of this type confusion flaw stems from improper handling of object types within the V8 engine's memory management system. When processing crafted JavaScript code or HTML content, the engine fails to properly validate type information during object operations, creating opportunities for attackers to manipulate memory addresses beyond normal boundaries. This vulnerability specifically affects the engine's ability to distinguish between different data types during runtime operations, allowing attackers to potentially overwrite memory locations or execute arbitrary code. The flaw manifests when the V8 engine processes objects with conflicting type information, leading to memory corruption that can be exploited for remote code execution.
The operational impact of CVE-2024-5837 extends beyond simple memory corruption, as it provides attackers with the capability to perform sophisticated remote exploitation techniques. An attacker can craft a malicious webpage that, when loaded in a vulnerable Chrome browser, triggers the type confusion vulnerability and enables arbitrary code execution. This capability aligns with attack patterns documented in the ATT&CK framework under techniques such as web-based exploitation and remote code execution. The vulnerability's classification as high severity indicates significant risk to user systems, as successful exploitation can lead to complete system compromise. Organizations relying on Chrome browsers for web browsing activities face potential exposure to attacks targeting this specific vulnerability, particularly in environments where users may encounter untrusted web content.
Mitigation strategies for CVE-2024-5837 primarily focus on immediate browser updates to versions 126.0.6478.54 and later, which contain patches addressing the type confusion flaw. System administrators should prioritize deployment of these updates across all affected browser installations to eliminate the exploitation risk. Additional protective measures include implementing web application firewalls, content security policies, and browser security hardening configurations that limit potential attack surface areas. Organizations should also consider deploying sandboxing techniques and privilege separation mechanisms to contain potential exploitation attempts. The vulnerability's relationship to CWE-471, which addresses "Incorrectly Handling of Distinct Data Types," emphasizes the importance of proper type validation and handling within software components. Regular security assessments and vulnerability scanning should be conducted to identify any remaining exposure risks, while incident response procedures should be updated to address potential exploitation attempts targeting this specific vulnerability.