CVE-2021-45482 : Vulnerability Insights and Analysis
Learn about CVE-2021-45482, a use-after-free vulnerability in WebKitGTK before 2.32.4. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
In WebKitGTK before 2.32.4, a use-after-free vulnerability in WebCore::ContainerNode::firstChild was identified.
Understanding CVE-2021-45482
What is CVE-2021-45482?
This CVE refers to a specific use-after-free vulnerability in WebKitGTK before version 2.32.4.
The Impact of CVE-2021-45482
The vulnerability could potentially lead to arbitrary code execution when exploited maliciously.
Technical Details of CVE-2021-45482
Vulnerability Description
The issue is a use-after-free in the WebCore::ContainerNode::firstChild function.
Affected Systems and Versions
- Product: Not applicable
- Vendor: Not applicable
- Version: Not applicable
Exploitation Mechanism
The vulnerability can be exploited by causing the program to access memory that has already been freed.
Mitigation and Prevention
Immediate Steps to Take
- Update WebKitGTK to version 2.32.4 or later.
- Monitor security advisories for patches and updates.
Long-Term Security Practices
- Regularly update software to latest versions.
- Implement secure coding practices.
- Conduct regular security audits.
Patching and Updates
Apply patches and updates provided by WebKitGTK to address the use-after-free vulnerability.