In ssh-keygen in OpenSSH before 10.6, certificates could have incorrect expiration times because of Daylight Saving mishandling. There can be a slightly more severe effect on users in certain Antarctic locations.
https://www.openssh.org/releasenotes.html#10.6
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-94011
Source: Mitre, NVD
Published: 2026-10-06
Updated: 2026-10-13
Base Score: 1.7
Vector: CVSS2#AV:L/AC:L/Au:S/C:N/I:P/A:N
Severity: Low
Base Score: 3.3
Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
EPSS: 0.00056