openssh.forwarding.txt

Hostile servers can force OpenSSH clients to do agent or X11 forwarding 1. Systems affected: All versions of OpenSSH prior to 2.3.0 are affected. 2. Description: If agent or X11 forwarding is disabled in the ssh client configuration, the client does not request these features during session setup...

OpenSSH Security Advisory (adv.fwd)

Hostile servers can force OpenSSH clients to do agent or X11 forwarding 1. Systems affected: All versions of OpenSSH prior to 2.3.0 are affected. 2. Description: If agent or X11 forwarding is disabled in the ssh client configuration, the client does not request these features during session setup...