MFSA2021-23: Security Vulnerabilities fixed in Firefox 89
Published Jun 1, 2021
·Updated
Security Vulnerabilities fixed in Firefox 89
Affected Software
1 affected componentFixes available
Mozilla Firefox<89
89
Event History
Jun 1, 2021
Advisory Published
via Mozilla·12:00 AM
Child vulnerabilities
Contains the following vulnerabilities.
Frequently Asked Questions
1
What is the severity of MFSA2021-23?
The severity of MFSA2021-23 is categorized as high, indicating a significant security risk.
2
How do I fix MFSA2021-23?
To fix MFSA2021-23, update your Firefox browser to version 89 or later.
3
What vulnerabilities are addressed in MFSA2021-23?
MFSA2021-23 addresses critical security vulnerabilities that could allow for exploits or unauthorized access.
4
Which versions of Firefox are affected by MFSA2021-23?
Versions of Firefox prior to 89 are affected by MFSA2021-23 and should be updated.
5
What defensive measures can I take regarding MFSA2021-23?
In addition to updating Firefox, consider using additional security tools like firewalls and antivirus software to enhance protection.