MFSA2025-66: Security Vulnerabilities fixed in Firefox ESR 128.14
Published Aug 19, 2025
·Updated
Security Vulnerabilities fixed in Firefox ESR 128.14
Affected Software
1 affected componentFixes available
Mozilla Firefox ESR<128.14
128.14
Event History
Aug 19, 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 security vulnerabilities does MFSA2025-66 address?
MFSA2025-66 addresses multiple security vulnerabilities in Firefox ESR 128.14.
2
What is the severity of MFSA2025-66?
The severity level of MFSA2025-66 is classified based on the potential impact of the vulnerabilities that were fixed.
3
How do I fix MFSA2025-66?
To fix MFSA2025-66, update to Firefox ESR version 128.14 or later.
4
What versions of Firefox are affected by MFSA2025-66?
Firefox ESR versions prior to 128.14 are affected by MFSA2025-66.
5
Who is the vendor responsible for the vulnerabilities in MFSA2025-66?
The vendor responsible for the vulnerabilities in MFSA2025-66 is Mozilla.