In ssh-agent in OpenSSH before 9.6, certain destination constraints can be incompletely applied. When destination constraints are specified during addition of PKCS#11-hosted private keys, these constraints are only applied to the first key, even if a PKCS#11 token returns multiple keys. CREATE(Triage):(User=admin) CVE-2023-51384 (https://nvd.nist.gov/vuln/detail/CVE-2023-51384)