PT-2026-105787

Summary A malicious SSH server can wedge an AsyncSSH client, and an authenticated client can wedge an AsyncSSH server, by sending a channel maximum packet size of 0 in SSH MSG CHANNEL OPEN CONFIRMATION server→client or SSH MSG CHANNEL OPEN client→server. AsyncSSH stores the peer-supplied value...

PT-2026-93998

Name of the Vulnerable Software and Affected Versions AsyncSSH versions prior to 2.24.0 Description AsyncSSH is a Python package providing an asynchronous client and server implementation of the SSHv2 protocol. The software fails to validate the send pktsize value provided by a peer, allowing it ...