LOW 3.1 Microsoft
CVE-2026-35387
OpenSSH before 10.3 can use unintended ECDSA algorithms. Listing of any ECDSA algorithm in PubkeyAcceptedAlgorithms or HostbasedAcceptedAlgorithms is misinterpreted to mean all ECDSA algorithms.
Microsoft Security Update 2026-Apr: OpenSSH before 10.3 can use unintended ECDSA algorithms. Listing of any ECDSA algorithm in PubkeyAcceptedAlgorithms or HostbasedAcceptedAlgorithms is misinterpreted to mean all ECDSA algorithms.
Affected Products
- azl3 openssh 9.8p1-6 on Azure Linux 3.0
- azl3 openssh 9.8p1-5 on Azure Linux 3.0
- cbl2 openssh 8.9p1-9 on CBL Mariner 2.0
- azl3 openssh 9.8p1-8 on Azure Linux 3.0
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-35387
- https://nvd.nist.gov/vuln/detail/CVE-2026-35387
This low severity vulnerability with a CVSS score of 3.1 was published on 2026-04-14 via Microsoft. Affected: azl3 openssh 9.8p1-6 on Azure Linux 3.0, azl3 openssh 9.8p1-5 on Azure Linux 3.0, cbl2 openssh 8.9p1-9 on CBL Mariner 2.0 and 1 more.
vulnfeed aggregates 14156 vulnerabilities from NVD, CISA KEV,
Ubuntu, Debian, Red Hat, Kubernetes, Exploit-DB, OSS-Security, GitHub and OpenStack — updated every 4 hours.