MFSA2026-38: Security Vulnerabilities fixed in Thunderbird 150.0.1
Published Apr 30, 2026
·Updated
Security Vulnerabilities fixed in Thunderbird 150.0.1
Affected Software
1 affected componentFixes available
Mozilla Thunderbird<150.0.1
150.0.1
Event History
Apr 30, 2026
Advisory Published
via Mozilla·12:00 AM
Data Sourced
via Mozilla·12:00 AM
DescriptionSeverityAffected Software
Child vulnerabilities
Contains the following vulnerabilities.
Frequently Asked Questions
1
What is the severity of MFSA2026-38?
The severity of MFSA2026-38 is considered to be high due to the potential impact on user security.
2
How do I fix MFSA2026-38?
To fix MFSA2026-38, update Thunderbird to version 150.0.1 or later.
3
Which versions of Thunderbird are affected by MFSA2026-38?
MFSA2026-38 affects all versions of Thunderbird prior to 150.0.1.
4
What types of vulnerabilities are addressed in MFSA2026-38?
MFSA2026-38 addresses multiple security vulnerabilities that could compromise user information and application integrity.
5
Who should be concerned about MFSA2026-38?
All users of Thunderbird prior to version 150.0.1 should be concerned about MFSA2026-38 and upgrade immediately.