たこすけ さん お知らせありがとうございます
https://www.thunderbird.net/en-US/thunderbird/115.12.1/releasenotes/
https://www.mozilla.org/en-US/security/known-vulnerabilities/thunderbird/ 未更新
リンクが
https://www.mozilla.org/en-US/security/known-vulnerabilities/thunderbird/#thunderbird115.12
Security Vulnerabilities fixed in Firefox ESR 115.12 - Mozilla Foundation Security Advisory 2024-28
知らぬ間に更新されてた