Google Chrome V8 Out-of-Bounds Read and Write Vulnerability Allowing Heap Corruption

Vulnerability

A vulnerability allowing out-of-bounds read and write operations has been identified in the V8 JavaScript engine used by Google Chrome. This issue affects Chrome versions prior to 143.0.7499.147. The vulnerability could potentially be exploited by remote attackers to cause heap corruption, through the use of a crafted HTML page.

Impact

Exploitation of this vulnerability could lead to heap corruption, a common precursor to more severe memory corruption vulnerabilities such as arbitrary code execution.

Remediation

Users can update to Google Chrome version 143.0.7499.147 or later to address this vulnerability.

Added: Dec 16, 2025, 11:17 PM
Updated: Dec 16, 2025, 11:17 PM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
2.5
exploitability
4.4
remediation
7.7
relevance
1.5
threat
0.0
urgency
2.9
incentive
0.8

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.