On Sat, May 16, 2026 at 02:08:57PM +0200, Ezequiel Fernandez wrote:
Package: openssh-client Version: 1:10.0p2-7 Severity: normal
You quoted version 1:10.0p2-7, which is surprising as that's missing all the security updates we've released since trixie. But the `ssh -V` output below suggests you in fact have version 1:10.0p2-7+deb13u2.
OpenSSH 10.0p2 in Debian Trixie hangs indefinitely on TCP connect() to any remote host. nc(1) and curl(1) to the same IP:port work instantly, confirming this is not a network or firewall issue. Steps to reproduce: 1. ssh -V -> OpenSSH_10.0p2 Debian-7+deb13u2, OpenSSL 3.5.5
It could still be a network problem, just a more subtle one involving quality-of-service settings.
Could you try upgrading to 1:10.0p1-7+deb13u4 from the recent stable point release, which applies several quality-of-service changes from more recent upstream releases? It's quite possible that this will at least change the failure mode. If it still doesn't work with that version, please include the full output of `ssh -vvvT [email protected]` until the point where you have to use Ctrl-C.
Please also include the output of `ssh -G [email protected]` so that we can see whether any local configuration might be affecting things. (There shouldn't be anything secret in that output, but feel free to redact things you aren't comfortable with sharing as long as you make it clear you've done so.)
Thanks, -- Colin Watson (he/him) [[email protected]]

