CVE-2026-106584: 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.

Overview

Severity

Low (CVSS 2.5)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Oct

Released

2026-10-08

EPSS Score

0.06% (percentile: 0.0%)

Affected Products (1)

Other

• 21837-17084

Revision History

• 2026-10-08: Information published.