MFSA2026-41: Security Vulnerabilities fixed in Firefox ESR 140.10.2
Published May 7, 2026
·Updated
Security Vulnerabilities fixed in Firefox ESR 140.10.2
Affected Software
1 affected componentFixes available
Mozilla Firefox ESR<140.10.2
140.10.2
Event History
May 7, 2026
Advisory Published
via Mozilla·12:00 AM
Data Sourced
via Mozilla·12:00 AM
DescriptionSeverityAffected Software
Frequently Asked Questions
1
What is the severity of MFSA2026-41?
MFSA2026-41 addresses multiple security vulnerabilities in Firefox ESR with varying severity, including critical issues.
2
How do I fix MFSA2026-41?
To fix MFSA2026-41, users should update to Firefox ESR version 140.10.2 or later.
3
What vulnerabilities are addressed in MFSA2026-41?
MFSA2026-41 addresses several security vulnerabilities that could potentially lead to exploitation.
4
Is MFSA2026-41 applicable to all Firefox versions?
No, MFSA2026-41 specifically applies to Firefox ESR version up to 140.10.2.
5
What should I do if I can't update Firefox ESR to version 140.10.2?
If you cannot update to version 140.10.2, consider mitigating risks by limiting use or exploring alternative browsers.