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.
| Name | Vendor | Start Version | End Version |
|---|---|---|---|
| Openssh | Openbsd | 8.9 (including) | 9.6 (excluding) |