MFSA2026-19: Security Vulnerabilities fixed in Firefox 148.0.2

Published Mar 10, 2026
·
Updated

Security Vulnerabilities fixed in Firefox 148.0.2

Affected Software

1 affected componentFixes available
Mozilla Firefox<148.0.2
148.0.2

Event History

Mar 10, 2026
Advisory Published
via Mozilla·12:00 AM
Data Sourced
via Mozilla·12:00 AM
DescriptionSeverityAffected Software

Child vulnerabilities

Contains the following vulnerabilities.

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Frequently Asked Questions

1

What is the severity of MFSA2026-19?

The severity of MFSA2026-19 includes multiple security vulnerabilities that could potentially be exploited in Firefox 148.0.2.

2

How do I fix MFSA2026-19?

To fix MFSA2026-19, users should update their Firefox browser to version 148.0.2 or later.

3

What types of vulnerabilities are addressed in MFSA2026-19?

MFSA2026-19 addresses security vulnerabilities related to memory safety and other weaknesses in the Firefox browser.

4

Which versions of Firefox are affected by MFSA2026-19?

All versions of Firefox prior to 148.0.2 are affected by MFSA2026-19.

5

Is there a risk of data loss associated with MFSA2026-19?

There is potential risk of data loss associated with the vulnerabilities outlined in MFSA2026-19 if users do not update to the patched version.

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