CVE-2018-5092 : Vulnerability Insights and Analysis
Learn about CVE-2018-5092, a use-after-free vulnerability in Firefox versions older than 58, impacting Web Worker threads during fetch operation cancellations. Find mitigation steps and prevention measures here.
A use-after-free vulnerability in Firefox versions older than 58 can lead to security issues when Web Worker threads are prematurely released from memory during fetch operation cancellations.
Understanding CVE-2018-5092
What is CVE-2018-5092?
This CVE identifies a use-after-free vulnerability in Firefox versions prior to 58, affecting Web Worker threads during fetch operation cancellations.
The Impact of CVE-2018-5092
The vulnerability can be exploited to execute arbitrary code or cause a denial of service by malicious actors.
Technical Details of CVE-2018-5092
Vulnerability Description
The use-after-free flaw occurs when Web Worker threads are released prematurely from memory during fetch operation cancellations.
Affected Systems and Versions
- Product: Firefox
- Vendor: Mozilla
- Versions Affected: < 58
Exploitation Mechanism
- Malicious actors can exploit this vulnerability to execute arbitrary code or trigger a denial of service attack.
Mitigation and Prevention
Immediate Steps to Take
- Update Firefox to version 58 or newer to mitigate the vulnerability.
- Regularly monitor security advisories from Mozilla for any patches or updates.
Long-Term Security Practices
- Implement secure coding practices to prevent memory-related vulnerabilities.
- Educate users on safe browsing habits and the importance of keeping software up to date.
Patching and Updates
- Apply security patches and updates provided by Mozilla promptly to address known vulnerabilities.