MFSA2026-43: Security Vulnerabilities fixed in Thunderbird 150.0.2

Published May 8, 2026
·
Updated

Security Vulnerabilities fixed in Thunderbird 150.0.2

Affected Software

1 affected componentFixes available
Mozilla Thunderbird<150.0.2
150.0.2

Event History

May 8, 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 MFSA2026-43?

The severity of MFSA2026-43 is classified as moderate.

2

What vulnerabilities are addressed in MFSA2026-43?

MFSA2026-43 addresses multiple security vulnerabilities in Thunderbird 150.0.2.

3

How do I fix MFSA2026-43?

To fix MFSA2026-43, update Thunderbird to version 150.0.2 or later.

4

What versions of Thunderbird are affected by MFSA2026-43?

All versions prior to Thunderbird 150.0.2 are affected by MFSA2026-43.

5

Is upgrading to Thunderbird 150.0.2 recommended for all users based on MFSA2026-43?

Yes, all users are recommended to upgrade to Thunderbird 150.0.2 to mitigate the vulnerabilities outlined in MFSA2026-43.

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