MFSA2025-50: Security Vulnerabilities fixed in Thunderbird 139.0.2
Published Jun 10, 2025
·Updated
Security Vulnerabilities fixed in Thunderbird 139.0.2
Affected Software
1 affected componentFixes available
Mozilla Thunderbird<139.0.2
139.0.2
Event History
Jun 10, 2025
Advisory Published
via Mozilla·12:00 AM
Frequently Asked Questions
1
What is the severity of MFSA2025-50?
The severity of MFSA2025-50 is considered critical due to the potential impact on user data and system security.
2
How do I fix MFSA2025-50?
To fix MFSA2025-50, update your Thunderbird software to version 139.0.2 or later.
3
What specific vulnerabilities are addressed in MFSA2025-50?
MFSA2025-50 addresses several security vulnerabilities that can lead to data exposure and unauthorized access.
4
Who is affected by the vulnerabilities in MFSA2025-50?
Users of Thunderbird versions prior to 139.0.2 are affected by the vulnerabilities in MFSA2025-50.
5
Is it safe to continue using Thunderbird prior to version 139.0.2 after MFSA2025-50?
It is not safe to continue using Thunderbird prior to version 139.0.2 due to the security vulnerabilities outlined in MFSA2025-50.