Advisory Published

MFSA2025-26: Security Vulnerabilities fixed in Thunderbird 137.0.2

First published: Tue Apr 15 2025(Updated: )

Security Vulnerabilities fixed in Thunderbird 137.0.2

Affected SoftwareAffected VersionHow to fix
Thunderbird<137.0.2
137.0.2

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Child vulnerabilities

(Contains the following vulnerabilities)

Frequently Asked Questions

  • What is the severity of MFSA2025-26?

    The severity of MFSA2025-26 is classified as moderate.

  • How do I fix MFSA2025-26?

    To fix MFSA2025-26, update Thunderbird to version 137.0.2 or later.

  • What vulnerabilities are addressed in MFSA2025-26?

    MFSA2025-26 addresses several security vulnerabilities that impact Thunderbird versions prior to 137.0.2.

  • Is there a workaround for MFSA2025-26?

    There are no specific workarounds for MFSA2025-26; updating is required to mitigate the risks.

  • Who should be concerned about MFSA2025-26?

    All users of Thunderbird versions below 137.0.2 should be concerned about MFSA2025-26 and should update promptly.

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