CVE-2023-51384
In ssh-agent in OpenSSH before 9.6, certain destination constraints can be incompletely applied. When destination constraints are specified
CVSS
5.5
Medium
EPSS
0.4%
p35
KEV
—
Exploit Today
10
0-100
Published: Dec 18, 2023 · Last modified: Jul 14, 2026 · CWE-284
0.4%EPSS · 30 days0.4%
2026-06-302026-07-19
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.
- seclists.orghttp://seclists.org/fulldisclosure/2024/Mar/21
- github.comhttps://github.com/openssh/openssh-portable/commit/881d9c6af9da4257c69c327c4e2f1508b2fa754b
- security.netapp.comhttps://security.netapp.com/advisory/ntap-20240105-0005/
- support.apple.comhttps://support.apple.com/kb/HT214084
- www.debian.orghttps://www.debian.org/security/2023/dsa-5586
- www.openssh.comhttps://www.openssh.com/txt/release-9.6
- www.openwall.comhttps://www.openwall.com/lists/oss-security/2023/12/18/2
- seclists.orghttp://seclists.org/fulldisclosure/2024/Mar/21
- github.comhttps://github.com/openssh/openssh-portable/commit/881d9c6af9da4257c69c327c4e2f1508b2fa754b
- security.netapp.comhttps://security.netapp.com/advisory/ntap-20240105-0005/
- support.apple.comhttps://support.apple.com/kb/HT214084
- www.debian.orghttps://www.debian.org/security/2023/dsa-5586
- www.openssh.comhttps://www.openssh.com/txt/release-9.6
- www.openwall.comhttps://www.openwall.com/lists/oss-security/2023/12/18/2
- cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-019113.html
- cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-082556.html
- cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-769027.html
- cert-portal.siemens.comhttps://cert-portal.siemens.com/productcert/html/ssa-794697.html
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