MFSA2025-92: Security Vulnerabilities fixed in Firefox 146
Published Dec 9, 2025
·Updated
Security Vulnerabilities fixed in Firefox 146
Affected Software
1 affected componentFixes available
Mozilla Firefox<146
146
Event History
Dec 9, 2025
Advisory Published
via Mozilla·12:00 AM
Data Sourced
via Mozilla·12:00 AM
DescriptionSeverityAffected Software
Child vulnerabilities
Contains the following vulnerabilities.
Frequently Asked Questions
1
What is the severity of MFSA2025-92?
The severity of MFSA2025-92 is classified as moderate, impacting the security of the affected Firefox version.
2
How do I fix MFSA2025-92?
To fix MFSA2025-92, upgrade to Firefox version 146 or later.
3
What versions of Firefox are affected by MFSA2025-92?
MFSA2025-92 affects all versions of Firefox up to, but not including, version 146.
4
What types of vulnerabilities are addressed in MFSA2025-92?
MFSA2025-92 addresses multiple security vulnerabilities that could potentially be exploited by attackers.
5
Is it important to update Firefox for MFSA2025-92?
Yes, it is critical to update Firefox to avoid potential exploitation of the vulnerabilities described in MFSA2025-92.