CVE-2019-5786 Explained : Impact and Mitigation

Google Chrome prior to version 72.0.3626.121 was affected by a vulnerability that could allow a remote attacker to perform out-of-bounds memory access.

Understanding CVE-2019-5786

An issue related to the lifetime of an object in Blink, the rendering engine used in Google Chrome versions prior to 72.0.3626.121, could have potentially enabled a remote attacker to perform out of bounds memory access by exploiting a carefully crafted HTML page.

What is CVE-2019-5786?

This CVE refers to a use-after-free vulnerability in Google Chrome that could be exploited by an attacker to execute arbitrary code.

The Impact of CVE-2019-5786

The vulnerability could allow a remote attacker to perform out-of-bounds memory access, potentially leading to the execution of arbitrary code.

Technical Details of CVE-2019-5786

Google Chrome's vulnerability details and affected systems.

Vulnerability Description

The issue in Blink in Google Chrome prior to 72.0.3626.121 allowed a remote attacker to potentially perform out-of-bounds memory access via a crafted HTML page.

Affected Systems and Versions

Product: Chrome
Vendor: Google
Versions Affected: < 72.0.3626.121

Exploitation Mechanism

The vulnerability could be exploited by a remote attacker through a carefully crafted HTML page to trigger out-of-bounds memory access.

Mitigation and Prevention

Steps to mitigate and prevent exploitation of CVE-2019-5786.

Immediate Steps to Take

Update Google Chrome to version 72.0.3626.121 or later.
Avoid clicking on suspicious links or visiting untrusted websites.

Long-Term Security Practices

Regularly update software and applications to the latest versions.
Implement security best practices to prevent and detect vulnerabilities.

Patching and Updates

Google released a stable channel update for desktop to address this vulnerability.