CVE-2019-5853 : Security Advisory and Response
Learn about CVE-2019-5853, a vulnerability in Google Chrome before 76.0.3809.87 allowing heap corruption via a crafted HTML page. Find mitigation steps and update information here.
Google Chrome before version 76.0.3809.87 had a vulnerability related to JavaScript implementation that could lead to heap corruption when processing a specially crafted HTML page.
Understanding CVE-2019-5853
This CVE describes an inappropriate implementation issue in Google Chrome that could be exploited by a remote attacker.
What is CVE-2019-5853?
Before version 76.0.3809.87, a flaw in JavaScript implementation in Google Chrome allowed a hacker to potentially exploit heap corruption using a specially designed HTML page.
The Impact of CVE-2019-5853
The vulnerability could have enabled a remote attacker to cause heap corruption, potentially leading to further exploitation of the affected system.
Technical Details of CVE-2019-5853
Google Chrome vulnerability details and affected systems.
Vulnerability Description
Inappropriate implementation of JavaScript in Google Chrome before version 76.0.3809.87 could allow a remote attacker to exploit heap corruption through a crafted HTML page.
Affected Systems and Versions
- Product: Chrome
- Vendor: Google
- Versions Affected: < 76.0.3809.87
Exploitation Mechanism
The vulnerability could be exploited by a remote attacker using a specially crafted HTML page to trigger heap corruption in the affected Chrome browser.
Mitigation and Prevention
Steps to mitigate and prevent exploitation of CVE-2019-5853.
Immediate Steps to Take
- Update Google Chrome to version 76.0.3809.87 or later to patch the vulnerability.
- Avoid visiting untrusted websites or clicking on suspicious links to minimize the risk of exploitation.
Long-Term Security Practices
- Regularly update browsers and software to the latest versions to ensure protection against known vulnerabilities.
- Implement security best practices such as using ad blockers and keeping browser extensions to a minimum to reduce attack surfaces.
Patching and Updates
- Google released a stable channel update addressing this vulnerability. Ensure timely installation of updates to stay protected.