CVE-2023-51384

Summary

CVE-2023-51384 is a vulnerability affecting ssh-agent in OpenSSH versions prior to 9.6. This issue arises when applying destination constraints to the addition of PKCS#11-hosted private keys. Although destination constraints are intended to be applied to each key returned from the PKCS#11 token, only the first key receives the specified constraints. The remaining keys are not affected, potentially leading to unintended access or misuse.

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