libssh is vulnerable to denial of service (DoS). The vulnerability exists as a flaw was found in libssh versions before 0.8.9 and before 0.9.4 in the way it handled AES-CTR (or DES ciphers if enabled) ciphers.
bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1730
lists.fedoraproject.org/archives/list/[email protected]/message/2A7BIFKUYIYKTY7FX4BEWVC2OHS5DPOU/
lists.fedoraproject.org/archives/list/[email protected]/message/VLSWHBQ3EPKGTGLQNH554Z746BJ3C554/
security.netapp.com/advisory/ntap-20200424-0001/
usn.ubuntu.com/4327-1/
www.libssh.org/security/advisories/CVE-2020-1730.txt
www.oracle.com/security-alerts/cpuoct2020.html