RLSA-2026:62217 Moderate: libssh security update

libssh is a library which implements the SSH protocol. It can be used to implement client and server applications. Security Fixes: libssh: libssh: denial of service via zero advertised channel packet size CVE-2026-59843 libssh: libssh: denial of service via oversized SFTP read length CVE-2026-598...