MFSA2026-44: Security Vulnerabilities fixed in Thunderbird 140.10.2
Published May 8, 2026
·Updated
Security Vulnerabilities fixed in Thunderbird 140.10.2
Affected Software
1 affected componentFixes available
Mozilla Thunderbird<140.10.2
140.10.2
Event History
May 8, 2026
Advisory Published
via Mozilla·12:00 AM
Data Sourced
via Mozilla·12:00 AM
DescriptionSeverityAffected Software
Frequently Asked Questions
1
What is the severity of MFSA2026-44?
The severity of MFSA2026-44 is classified as moderate due to potential risks associated with the identified vulnerabilities.
2
How do I fix MFSA2026-44?
To fix MFSA2026-44, upgrade your Thunderbird to version 140.10.2 or later.
3
What vulnerabilities are addressed in MFSA2026-44?
MFSA2026-44 addresses multiple security vulnerabilities that could potentially compromise user data and application security.
4
Is it safe to continue using versions prior to MFSA2026-44?
Using versions prior to MFSA2026-44 is not recommended due to unresolved vulnerabilities that may pose security risks.
5
Who is affected by MFSA2026-44?
Users of Thunderbird versions earlier than 140.10.2 are affected by MFSA2026-44 and should update immediately.