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Security Vulnerabilities fixed in Thunderbird 140.15 — Mozilla

🗓️ 01 Sep 2026 00:00:00Reported by Mozilla FoundationType 
mozilla
 mozilla
🔗 www.mozilla.org👁 10 Views

Multiple memory corruption bugs in Thunderbird ESR 140.15 via MIME, IMAP, and mail headers.

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Vulners
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mozillathunderbirdRange<140.15

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01 Sep 2026 00:00Current
5.9Medium risk
Vulners AI Score5.9
CVSS 3.110
EPSS0.00455
SSVC
10