MFSA2023-56: Security Vulnerabilities fixed in Firefox 121
Published Dec 19, 2023
·Updated
Security Vulnerabilities fixed in Firefox 121
Affected Software
1 affected componentFixes available
Mozilla Firefox<121
121
Event History
Dec 19, 2023
Advisory Published
via Mozilla·12:00 AM
Child vulnerabilities
Contains the following vulnerabilities.
Frequently Asked Questions
1
What is the severity of MFSA2023-56?
The severity of MFSA2023-56 is high due to several critical security vulnerabilities that could lead to remote code execution.
2
How do I fix MFSA2023-56?
To fix MFSA2023-56, update your Mozilla Firefox to version 121 or later immediately.
3
What vulnerabilities are addressed in MFSA2023-56?
MFSA2023-56 addresses multiple vulnerabilities that affect the performance and security of Firefox, enhancing the overall stability.
4
Is my Mozilla Firefox affected by MFSA2023-56?
If you are using Mozilla Firefox version 120 or earlier, your browser is affected by MFSA2023-56.
5
How can I ensure my browser is secure following MFSA2023-56?
Regularly updating to the latest version of Mozilla Firefox will help maintain security following MFSA2023-56.