CVE-2021-45483 : Security Advisory and Response
Learn about CVE-2021-45483, a use-after-free vulnerability in WebKitGTK before version 2.32.4. Find out how to mitigate the risk and prevent exploitation by upgrading and applying security patches.
WebCore::Frame::page in WebKitGTK before 2.32.4 has a use-after-free vulnerability.
Understanding CVE-2021-45483
What is CVE-2021-45483?
This CVE refers to a use-after-free vulnerability in WebCore::Frame::page in WebKitGTK before version 2.32.4.
The Impact of CVE-2021-45483
The vulnerability could allow an attacker to execute arbitrary code or cause a denial of service by triggering a use-after-free condition.
Technical Details of CVE-2021-45483
Vulnerability Description
A use-after-free vulnerability exists in the WebCore::Frame::page function in WebKitGTK before 2.32.4.
Affected Systems and Versions
- Affected Version: WebKitGTK before 2.32.4.
Exploitation Mechanism
The vulnerability could be exploited by an attacker to trigger the use-after-free condition, leading to potential code execution or denial of service.
Mitigation and Prevention
Immediate Steps to Take
- Upgrade to WebKitGTK version 2.32.4 or later to mitigate the vulnerability.
- Regularly monitor security advisories for any updates.
Long-Term Security Practices
- Implement secure coding practices to prevent use-after-free vulnerabilities.
Patching and Updates
- Apply security patches and updates promptly to address known vulnerabilities.