Mozilla
Security Vulnerabilities fixed in Thunderbird 140.15
MFSA2026-87 Sep 1, 2026 Source: Vendor
Imported from Mozilla security advisory MFSA2026-87. Draft.
Source of record
The credited names below are quoted verbatim from the vendor's own advisory:
https://www.mozilla.org/en-US/security/advisories/mfsa2026-87/
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