MFSA2026-05: Security Vulnerabilities fixed in Thunderbird 140.7
Security Vulnerabilities fixed in Thunderbird 140.7
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 140.7 - Upgrade
Upgrade
Thunderbirdto a version that resolves this vulnerability.Fixed in 140.7
Event History
Child vulnerabilities
Contains the following vulnerabilities.
Frequently Asked Questions
What is the severity of MFSA2026-05?
The severity of MFSA2026-05 is classified as high due to multiple security vulnerabilities in Thunderbird 140.7.
How do I fix MFSA2026-05?
To fix MFSA2026-05, you should update Thunderbird to version 140.8 or higher.
What vulnerabilities does MFSA2026-05 address?
MFSA2026-05 addresses multiple security vulnerabilities that could allow for information leaks and execute arbitrary code.
Who is affected by MFSA2026-05?
Users of Mozilla Thunderbird versions up to 140.7 are affected by MFSA2026-05.
Is there a workaround for MFSA2026-05 until I can update?
There are no known workarounds for MFSA2026-05, so updating to a patched version is recommended.