MFSA2026-37: Security Vulnerabilities fixed in Firefox ESR 115.35.1
Published Apr 28, 2026
·Updated
Security Vulnerabilities fixed in Firefox ESR 115.35.1
Affected Software
1 affected componentFixes available
Mozilla Firefox ESR<115.35.1
115.35.1
Event History
Apr 28, 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 MFSA2026-37?
The severity of MFSA2026-37 is categorized as important due to its potential impact on system security.
2
How do I fix MFSA2026-37?
You can fix MFSA2026-37 by updating Firefox ESR to version 115.35.1 or later.
3
What vulnerabilities are addressed in MFSA2026-37?
MFSA2026-37 addresses multiple security vulnerabilities impacting Firefox ESR version 115.35.1.
4
Which versions of Firefox are affected by MFSA2026-37?
MFSA2026-37 affects Firefox ESR versions prior to 115.35.1.
5
Who released the advisory for MFSA2026-37?
The advisory for MFSA2026-37 was released by Mozilla.