MFSA2026-12: Security Vulnerabilities fixed in Firefox for iOS 147.4
Published Feb 20, 2026
·Updated
Security Vulnerabilities fixed in Firefox for iOS 147.4
Affected Software
2 affected components
All of the following
Mozilla Firefox=147.4
Apple iOS
Event History
Feb 20, 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 MFSA2026-12?
The severity of MFSA2026-12 varies, but it includes multiple vulnerabilities that may impact user security.
2
What vulnerabilities are addressed in MFSA2026-12?
MFSA2026-12 addresses several security vulnerabilities that were fixed in Firefox for iOS version 147.4.
3
How do I fix MFSA2026-12?
To fix MFSA2026-12, you need to update your Firefox for iOS app to version 147.4 or later.
4
Which versions of Firefox for iOS are affected by MFSA2026-12?
MFSA2026-12 affects Firefox for iOS versions prior to 147.4.
5
Is there an impact on data privacy due to MFSA2026-12?
Yes, the vulnerabilities in MFSA2026-12 could potentially impact user data privacy if not addressed.