MFSA2025-75: Security Vulnerabilities fixed in Firefox ESR 140.3
Published Sep 16, 2025
·Updated
Security Vulnerabilities fixed in Firefox ESR 140.3
Affected Software
1 affected componentFixes available
Mozilla Firefox ESR<140.3
140.3
Event History
Sep 16, 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 MFSA2025-75?
The severity of MFSA2025-75 is classified as high, indicating potential exploitation risks.
2
How do I fix MFSA2025-75?
To fix MFSA2025-75, upgrade your Firefox ESR to version 140.3 or later.
3
What vulnerabilities are addressed in MFSA2025-75?
MFSA2025-75 addresses multiple security vulnerabilities that could affect user data integrity.
4
Is Firefox ESR 140.3 the latest version after MFSA2025-75?
Yes, Firefox ESR 140.3 is the latest version that addresses the vulnerabilities outlined in MFSA2025-75.
5
When was the MFSA2025-75 advisory released?
The MFSA2025-75 advisory was released in 2025, providing details on the fixed vulnerabilities.