CVE-2024-5833 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 CVE-2024-5833 represents a critical type confusion issue within the V8 JavaScript engine used in Google Chrome and Chromium-based browsers. This flaw exists in versions prior to 126.0.6478.54 and constitutes a high-severity security concern that could enable remote code execution through malicious web content. The vulnerability stems from improper handling of object types during JavaScript execution, creating conditions where the engine fails to maintain type consistency when processing complex object interactions. Such type confusion vulnerabilities are particularly dangerous because they can lead to memory corruption and arbitrary code execution when exploited.
The technical root cause of this vulnerability lies in the V8 engine's object type management system where it fails to properly validate type information during object operations. When processing crafted HTML pages containing malicious JavaScript code, the engine may incorrectly handle object type transitions, leading to situations where memory addresses are accessed beyond their allocated bounds. This type confusion occurs during dynamic type operations where the engine's type inference mechanism becomes confused about object identity and memory layout. The vulnerability is classified under CWE-479 as a Type Confusion flaw, which specifically addresses improper handling of object types in programming environments.
The operational impact of CVE-2024-5833 extends beyond simple memory corruption, as it provides attackers with a potential pathway for remote code execution on affected systems. Attackers can craft malicious web pages that, when loaded in vulnerable browsers, trigger the type confusion condition and subsequently execute arbitrary code with the privileges of the browser process. This represents a significant threat to user security since the attack vector requires only web page access without additional user interaction. The vulnerability's exploitation potential aligns with ATT&CK technique T1203, which involves gaining access to systems through web-based attacks and browser exploitation techniques.
Mitigation strategies for CVE-2024-5833 primarily focus on immediate browser updates to versions 126.0.6478.54 and later, which contain the necessary patches to address the type confusion issue. Organizations should implement comprehensive patch management protocols to ensure all affected systems receive updates promptly. Additional protective measures include browser hardening configurations such as enabling sandboxing features, disabling unnecessary JavaScript functionality, and implementing content security policies to limit the impact of potential exploitation attempts. Network-based protections like web application firewalls and intrusion detection systems can provide additional layers of defense, though they cannot completely prevent exploitation of this type of vulnerability. Security teams should monitor for indicators of compromise related to this vulnerability and maintain awareness of any emerging exploitation techniques targeting this specific flaw.