Email & Collaboration
Mozilla MFSA 2026-101 Fixes Security Vulnerabilities in Thunderbird 157New!!
09/29/2026
Mozilla issued MFSA 2026-101 for Mozilla Thunderbird 157. Match affected deployments, apply supported fixes, validate operations, and retain evidence.
Mozilla MFSA 2026-102 Fixes Security Vulnerabilities in Thunderbird 140.17New!!
09/29/2026
Mozilla issued MFSA 2026-102 for Mozilla Thunderbird 140.17. Match affected deployments, apply supported fixes, validate operations, and retain evidence.
Mozilla MFSA 2026-103 Fixes Security Vulnerabilities in Thunderbird 153.4New!!
09/29/2026
Mozilla issued MFSA 2026-103 for Mozilla Thunderbird 153.4. Match affected deployments, apply supported fixes, validate operations, and retain evidence.