OpenSSH 10.3 released

OpenSSH 10.3has been released. Among the many changes in this release are asecurity fix to address late validation of metacharacters in usernames, removal of bug compatibility for SSH implementations that donot support rekeying,and a fix to ensure that scp clears setuid/setgid bits from downloadedfiles when operating as root in legacy (-O) mode. See therelease announcement for a full list of new features, bug fixes, andpotentially incompatible changes.