CVE-2021-30535 : What You Need to Know
Learn about CVE-2021-30535, a critical double free vulnerability in Google Chrome prior to 91.0.4472.77 that enables remote attackers to trigger heap corruption through specially crafted HTML pages and how to mitigate it.
A detailed overview of CVE-2021-30535, a vulnerability in Google Chrome that allowed remote attackers to exploit heap corruption prior to version 91.0.4472.77.
Understanding CVE-2021-30535
This section provides insights into the nature and impact of the CVE-2021-30535 vulnerability.
What is CVE-2021-30535?
The CVE-2021-30535 vulnerability is related to a double free issue in ICU in Google Chrome versions prior to 91.0.4472.77. This flaw could be potentially exploited by a remote attacker through a specially crafted HTML page.
The Impact of CVE-2021-30535
The impact of this vulnerability is significant as it allows remote attackers to trigger heap corruption, potentially leading to further exploitation of the affected system.
Technical Details of CVE-2021-30535
Explore the technical aspects of the CVE-2021-30535 vulnerability in this section.
Vulnerability Description
The vulnerability arises from a double free issue in ICU within Google Chrome, enabling attackers to manipulate memory allocation.
Affected Systems and Versions
Google Chrome versions prior to 91.0.4472.77 are affected by this vulnerability, exposing users to potential exploitation.
Exploitation Mechanism
Remote attackers can exploit this vulnerability by leveraging the double free issue in ICU, ultimately causing heap corruption in the system.
Mitigation and Prevention
Discover the necessary steps to mitigate and prevent the CVE-2021-30535 vulnerability in this section.
Immediate Steps to Take
Users are advised to update Google Chrome to version 91.0.4472.77 or later to mitigate the vulnerability and enhance system security.
Long-Term Security Practices
Implementing a robust security posture, including regular software updates and security awareness training, can help prevent similar vulnerabilities in the future.
Patching and Updates
Staying vigilant about software updates and promptly applying patches released by Google Chrome is crucial to safeguarding systems against known vulnerabilities.