Name: CVE-2026-106584: Off-by-one Error
Creator: Rapid7
Published: 2026-10-06T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-106584, CWE-193, CVSS 3.3, EPSS 0.00056

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.

CVSS Details

CVSS 3.1 Base Score: 3.3
CVSS 3.1 Vector: (CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Amazon_linux_2023	—	Upgrade openssh-clients-debuginfoUpgrade pam_ssh_agent_authUpgrade openssh-server-debuginfoUpgrade openssh-sk-dummy-debuginfoUpgrade openssh-serverUpgrade opensshUpgrade openssh-sk-dummyUpgrade openssh-keycat-debuginfoUpgrade openssh-debuginfoUpgrade openssh-debugsourceUpgrade openssh-clientsUpgrade openssh-keycatUpgrade pam_ssh_agent_auth-debuginfo	Nov 2, 2026	Oct 6, 2026
Openbsd Openssh	—	Upgrade to OpenSSH version 10.6	Oct 14, 2026	Oct 6, 2026
Ubuntu	—	Upgrade openssh-client-gssapiUpgrade openssh-serverUpgrade openssh-server-gssapiUpgrade openssh-client	Oct 14, 2026	Oct 7, 2026

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CVSS Details

Covered by Rapid7

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