MFSA2026-55: Security Vulnerabilities fixed in Focus for iOS / Klar 151.3.1
Published Jun 9, 2026
·Updated
Security Vulnerabilities fixed in Focus for iOS / Klar 151.3.1
Affected Software
4 affected components
All of the following
Mozilla Focus=151.3.1
Apple iOS
All of the following
Mozilla Klar=151.3.1
Apple iOS
Event History
Jun 9, 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 MFSA2026-55?
The severity of MFSA2026-55 is classified as high with a score of 7.
2
How do I fix MFSA2026-55?
To fix MFSA2026-55, update your Focus and Klar apps to version 151.3.1 or later.
3
What vulnerabilities are addressed in MFSA2026-55?
MFSA2026-55 addresses various security vulnerabilities in Focus for iOS and Klar.
4
When was MFSA2026-55 published?
MFSA2026-55 was published on June 9, 2026.
5
Which software is affected by MFSA2026-55?
MFSA2026-55 affects Apple iOS and the Mozilla Focus and Klar applications.