CVE-2024-6779 in Chrome
Summary
by MITRE • 07/17/2024
Out of bounds memory access in V8 in Google Chrome prior to 126.0.6478.182 allowed a remote attacker to potentially perform a sandbox escape via a crafted HTML page. (Chromium security severity: High)
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Analysis
by VulDB Data Team • 11/25/2025
The vulnerability identified as CVE-2024-6779 represents a critical out-of-bounds memory access flaw within the V8 JavaScript engine component of Google Chrome. This issue affects versions prior to 126.0.6478.182 and presents a significant security risk due to its potential for sandbox escape capabilities. The vulnerability resides in the V8 engine's memory management mechanisms, specifically in how it handles certain JavaScript operations that lead to improper memory access patterns.
The technical nature of this flaw involves memory access violations that occur when processing crafted HTML content containing malicious JavaScript code. When Chrome processes such content, the V8 engine fails to properly validate memory boundaries during execution, allowing an attacker to access memory locations outside the intended bounds. This type of vulnerability typically stems from insufficient input validation or improper bounds checking within the JavaScript engine's execution environment. The flaw can be exploited through a specially crafted HTML page that triggers specific code paths within V8, leading to memory corruption that may be leveraged for privilege escalation.
The operational impact of CVE-2024-6779 is particularly severe as it enables remote code execution in the context of the Chrome sandbox. Sandboxing is a critical security mechanism designed to isolate potentially malicious code from the underlying operating system, but this vulnerability allows an attacker to break out of that isolation. The attack surface is extensive since any user visiting a compromised webpage could be targeted, making this a significant concern for enterprise environments and individual users alike. The Chromium security severity rating of High reflects the dangerous nature of this vulnerability, as it could potentially allow attackers to execute arbitrary code with the privileges of the Chrome process, leading to complete system compromise.
Mitigation strategies for CVE-2024-6779 primarily involve immediate patching of affected Chrome versions to 126.0.6478.182 or later. Organizations should implement comprehensive update management procedures to ensure all Chrome installations are current with the latest security patches. Additional protective measures include deploying web application firewalls, implementing content security policies, and utilizing sandboxing technologies beyond the default browser sandbox. Security teams should also consider network-based detection mechanisms to identify potential exploitation attempts and monitor for unusual memory access patterns. The vulnerability aligns with CWE-129 which describes improper validation of length of buffers, and maps to ATT&CK technique T1059.007 for JavaScript execution, highlighting the need for both defensive and detection capabilities in addressing this threat.