Google Chrome Heap Corruption Vulnerability via Bad Cast in Loader

Vulnerability

A vulnerability allowing heap corruption has been identified in Google Chrome versions prior to 143.0.7499.41. This issue arises from a bad cast in the Loader component, which could be exploited by a remote attacker who has compromised the renderer process, potentially leading to exploitation of the heap corruption through a crafted HTML page.

Impact

Exploitation of this vulnerability could result in heap corruption, which may be leveraged to execute arbitrary code or cause a denial-of-service condition.

Remediation

Users can update to Google Chrome version 143.0.7499.41 or later to address this vulnerability.

Added: Dec 2, 2025, 7:32 PM
Updated: Dec 2, 2025, 8:21 PM

Vulnerability Rating

Custom Algorithm
spread
8.4
impact
10.0
exploitability
3.0
remediation
7.7
relevance
1.3
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.