OpenSSH 10.6

openssh.org

OpenSSH: Release Notes OpenSSH 10.6/10.6p1 (2026-10-06) 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 … Read more

OpenSSH 10.5 released, AI fixes now welcome

openssh.org

OpenSSH: Release Notes OpenSSH 10.5/10.5p1 (2026-08-11) OpenSSH 10.5 was released on 2026-08-11. 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 … Read more

OpenSSH Post-Quantum Cryptography

openssh.com

OpenSSH: Post-Quantum Cryptography OpenSSH Post-Quantum Cryptography OpenSSH supports a number of cryptographic key agreement algorithms considered to be safe against attacks from quantum computers. We recommend that all SSH connections use these algorithms. OpenSSH has offered post-quantum key agreement (KexAlgorithms) … Read more

OpenSSH Keystroke Obfuscation Bypass

crzphil.github.io
openssh-keystroke-obfuscation-bypass

A disclosure for an OpenSSH keystroke obfuscation bypass affecting current OpenSSH versions after 9.4. OpenSSH version 9.5 introduced measures to mitigate a keystroke timing attack via traffic analysis. The patch involved adding keystroke timing obfuscation to the SSH client. As … Read more

OpenSSH Backdoors

blog.isosceles.com
openssh-backdoors

Imagine this: an OpenSSH backdoor is discovered, maintainers rush to push out a fixed release package, security researchers trade technical details on mailing lists to analyze the backdoor code. Speculation abounds on the attribution and motives of the attacker, and … Read more

OpenSSH: Timeline to remove DSA support in OpenSSH

lists.mindrot.org

[openssh-unix-announce] Announce: timeline to remove DSA support in OpenSSH djm at openssh.com djm at openssh.com Thu Jan 11 15:31:18 AEDT 2024 Hi, OpenSSH plans to remove support for DSA keys in the near future. This message describes our rationale, process … Read more

OpenSSH 9.3/9.3p1 Released

openssh.com

OpenSSH 9.3 was released on 2023-03-15. 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. Once again, we would like to thank the OpenSSH … Read more