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Google Chrome V8 Side-Channel Information Leakage Vulnerability

Vulnerability

A side-channel information leakage vulnerability has been identified in the V8 JavaScript engine used by Google Chrome. This issue affects Chrome versions prior to 140.0.7339.207. The vulnerability allows remote attackers to leak cross-origin data by using a specially crafted HTML page.

Impact

Exploitation of this vulnerability could lead to unauthorized leakage of cross-origin data.

Remediation

Users can update to Google Chrome version 140.0.7339.207 or later to address this vulnerability.

Added: Sep 24, 2025, 7:05 PM
Updated: Sep 24, 2025, 7:05 PM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
2.5
exploitability
4.4
remediation
7.7
relevance
0.6
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.