MFSA2025-31: Security Vulnerabilities fixed in Thunderbird 138

Published Apr 29, 2025
·
Updated

Security Vulnerabilities fixed in Thunderbird 138

Affected Software

1 affected componentFixes available
Mozilla Thunderbird<138
138

Event History

Apr 29, 2025
Advisory Published
via Mozilla·12:00 AM
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Frequently Asked Questions

1

What is the severity of MFSA2025-31?

The severity of MFSA2025-31 is categorized as moderate due to the potential risks associated with the identified security vulnerabilities.

2

How do I fix MFSA2025-31?

To fix MFSA2025-31, update Thunderbird to version 138 or later as this version includes the necessary security patches.

3

What security vulnerabilities are addressed in MFSA2025-31?

MFSA2025-31 addresses multiple security vulnerabilities that could potentially allow for unauthorized access and exploitation in Thunderbird.

4

Who is affected by MFSA2025-31?

Users of Thunderbird versions prior to 138 are affected by MFSA2025-31 and should upgrade to the latest version.

5

What should I do if I cannot upgrade to Thunderbird 138 to resolve MFSA2025-31?

If you cannot upgrade to Thunderbird 138, you should consider alternative email clients or apply relevant security measures until the update is possible.

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