CVE-2021-37998 : Security Advisory and Response

Google Chrome prior to version 95.0.4638.69 was impacted by a Use after free vulnerability in Garbage Collection. This flaw could allow a remote attacker to potentially exploit heap corruption via a specially crafted HTML page.

Understanding CVE-2021-37998

This section delves into the details of the CVE-2021-37998 vulnerability in Google Chrome.

What is CVE-2021-37998?

CVE-2021-37998 is a Use after free vulnerability in Garbage Collection in Google Chrome versions prior to 95.0.4638.69. Attackers could leverage this flaw to trigger heap corruption by enticing a victim to visit a malicious website.

The Impact of CVE-2021-37998

The exploitation of this vulnerability could lead to arbitrary code execution, potentially compromising the confidentiality, integrity, and availability of affected systems.

Technical Details of CVE-2021-37998

Let's explore the technical aspects of the CVE-2021-37998 vulnerability in Google Chrome.

Vulnerability Description

The Use after free vulnerability in the Garbage Collection component of Google Chrome before 95.0.4638.69 enables attackers to manipulate memory allocation, potentially leading to heap corruption.

Affected Systems and Versions

Google Chrome versions less than 95.0.4638.69 are impacted by CVE-2021-37998. Users are advised to update to version 95.0.4638.69 or later to mitigate the risk.

Exploitation Mechanism

By enticing a user to access a specially crafted HTML page, remote attackers could trigger the Use after free flaw, initiating heap corruption and potential code execution.

Mitigation and Prevention

Learn how to secure your systems and protect against the CVE-2021-37998 vulnerability in Google Chrome.

Immediate Steps to Take

Users are urged to update their Google Chrome browser to version 95.0.4638.69 or later to prevent exploitation of this vulnerability.

Long-Term Security Practices

Practicing safe browsing habits, exercising caution when visiting unknown websites, and keeping software up to date are crucial steps to improve overall cybersecurity posture.

Patching and Updates

Regularly check for updates from Google Chrome and apply patches promptly to ensure protection against known vulnerabilities.