MEDIUM 5.5 Microsoft

CVE-2023-51384

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.

Microsoft Security Update 2023-Dec: 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.

Affected Products

References

Published: 2023-12-12 · Source: Microsoft · Feed updated: 2026-09-03
This medium severity vulnerability with a CVSS score of 5.5 was published on 2023-12-12 via Microsoft. Affected: azl3 openssh 9.5p1-2 on Azure Linux 3.0, cbl2 openssh 8.9p1-3 on CBL Mariner 2.0, azl3 openssh 9.7p1-1 on Azure Linux 3.0.
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