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.
Fix
Patch, vendor advisory and mitigation references on NVD 2
- https://github.com/openssh/openssh-portable/commit/881d9c6af9da4257c69c327c4e2f1508b2fa754b Patch, Third Party Advisory
- https://github.com/openssh/openssh-portable/commit/881d9c6af9da4257c69c327c4e2f1508b2fa754b Patch, Third Party Advisory
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 5.5 · openbsd, debianNVD modified 2026-10-15 01:17
Affected (CPE criteria) 3
cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*cpe:2.3:o:debian:debian_linux:12.0:*:*:*:*:*:*:*
References 19
- http://seclists.org/fulldisclosure/2024/Mar/21 Mailing List, Third Party Advisory
- https://github.com/openssh/openssh-portable/commit/881d9c6af9da4257c69c327c4e2f1508b2fa754b Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20240105-0005/ Third Party Advisory
- https://support.apple.com/kb/HT214084 Third Party Advisory
- https://www.debian.org/security/2023/dsa-5586 Third Party Advisory
- https://www.openssh.com/txt/release-9.6 Release Notes
- https://www.openwall.com/lists/oss-security/2023/12/18/2 Mailing List, Release Notes
- http://seclists.org/fulldisclosure/2024/Mar/21 Mailing List, Third Party Advisory
- https://github.com/openssh/openssh-portable/commit/881d9c6af9da4257c69c327c4e2f1508b2fa754b Patch, Third Party Advisory
- https://security.netapp.com/advisory/ntap-20240105-0005/ Third Party Advisory
- https://support.apple.com/kb/HT214084 Third Party Advisory
- https://www.debian.org/security/2023/dsa-5586 Third Party Advisory
- https://www.openssh.com/txt/release-9.6 Release Notes
- https://www.openwall.com/lists/oss-security/2023/12/18/2 Mailing List, Release Notes
- https://cert-portal.siemens.com/productcert/html/ssa-019113.html
- https://cert-portal.siemens.com/productcert/html/ssa-082556.html
- https://cert-portal.siemens.com/productcert/html/ssa-457936.html
- https://cert-portal.siemens.com/productcert/html/ssa-769027.html
- https://cert-portal.siemens.com/productcert/html/ssa-794697.html