Nearly 11 million SSH servers connected to the internet, or about 52% of all scanned servers in IPv4 and IPv6 environments, could be compromised with the novel Terrapin attack, which could affect SSH channel integrity in certain encryption modes, as well as deactivate keystroke timing attack defenses in OpenSSH 9.5, according to BleepingComputer.
Article Link: Novel Terrapin attack could impact millions of SSH servers | SC Media