Subj : OpenSSH 10.4 released
To   : All
From : LWN.net
Date : Mon Jul 06 2026 17:15:05

OpenSSH 10.4 released

Date:
Mon, 06 Jul 2026 16:13:19 +0000

Description:
OpenSSH 10.4 has been released. In addition to a number of security
and bug fixes, there are a few notable changes; this release adds
experimental support for a composite post-quantum signature scheme
combining ML-DSA 44 and Ed25519 as described in this
IETF draft . With 10.4, if OpenSSH is compiled with sandbox support
it will fail on Linux systems that have not enabled SECCOMP or NO_NEW_PRIVS ; 
prior to this release, sshd would log an error
but continue operation. See the release notes for
a full list of changes.

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Link to news story:
https://lwn.net/Articles/1081536/


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