OpenSSH (Stable) 10.6 重要

公開 2026-10-06 · 2026-10-07 セキュリティ 新機能 不具合修正 破壊的変更 廃止予定

複数のセキュリティ脆弱性が修正され、LZ77圧縮辞書を無効化してマルチプレックス通信でのSSH平文復号攻撃に対策している。ユーザー名検証を強化し、量子耐性署名アルゴリズムの統合やFIDOトークンの改善など新機能を追加した。

OpenSSH 10.6 was released on 2026-10-06. It is available from the mirrors listed at https://www.openssh.com/. OpenSSH is a 100% complete SSH protocol 2.0 implementation and includes sftp client and server support. Recently the OpenSSH team have received a large number of security bug reports, many of which are findings from AI models or made with AI assistance. While many AI reports are determined not to have security impact when considered in the context of a realistic threat model, we very muc…www.openssh.org

公式のリリース情報 · OpenSSH (Stable) の履歴 · OpenSSH まとめ