Learn about CVE-2021-29972, a use-after-free vulnerability in Firefox < 90 due to an outdated Cairo library. Understand the impact, affected systems, exploitation, and mitigation steps.
A use-after-free vulnerability was found in Firefox < 90 due to an out-of-date Cairo library. Updating the library fixed the issue, possibly addressing other security vulnerabilities. This CVE impacts Firefox users.
Understanding CVE-2021-29972
This section provides an overview of the CVE-2021-29972 vulnerability.
What is CVE-2021-29972?
CVE-2021-29972 is a use-after-free vulnerability identified in Firefox < 90, linked to an outdated Cairo library. Mozilla addressed this security flaw by updating the library.
The Impact of CVE-2021-29972
The vulnerability could allow attackers to execute arbitrary code or cause a denial of service by exploiting the use-after-free issue in Firefox.
Technical Details of CVE-2021-29972
Explore the technical aspects of CVE-2021-29972 to understand its implications.
Vulnerability Description
The use-after-free vulnerability stemmed from an outdated Cairo library in Firefox < 90, enabling potential code execution attacks.
Affected Systems and Versions
Users with Firefox versions less than 90 are impacted by this vulnerability due to the outdated library issue.
Exploitation Mechanism
Cybercriminals could exploit this vulnerability to trigger arbitrary code execution or launch denial-of-service attacks.
Mitigation and Prevention
Discover how to mitigate the risks associated with CVE-2021-29972 and prevent potential security breaches.
Immediate Steps to Take
Users are advised to update their Firefox browser to a version higher than 90 to address this vulnerability.
Long-Term Security Practices
Regularly update software components and libraries to mitigate future security risks and vulnerabilities.
Patching and Updates
Stay informed about security advisories and apply relevant patches promptly to protect systems from potential security threats.