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
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.