CVE-2026-35387

medium

Description

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.

References

Advisories
More

https://www.openwall.com/lists/oss-security/2026/04/02/3

https://marc.info/?l=openssh-unix-dev&m=177513443901484&w=2

https://www.openssh.org/releasenotes.html#10.3p1

Details

Source: Mitre, NVD

Published: 2026-04-02

Updated: 2026-04-27

Risk Information

CVSS v2

Base Score: 6.1

Vector: CVSS2#AV:N/AC:H/Au:N/C:C/I:P/A:N

Severity: Medium

CVSS v3

Base Score: 6.5

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:L/A:N