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Security Vulnerabilities fixed in Thunderbird 140.7.1 — Mozilla

🗓️ 27 Jan 2026 00:00:00Reported by Mozilla FoundationType 
mozilla
 mozilla
🔗 www.mozilla.org👁 5 Views

Thunderbird 140.7.1 fixes CSS exfiltration of content from partially encrypted emails with remote content.

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27 Jan 2026 00:00Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.14.3
EPSS0.00008
SSVC
5