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.
CVE-2026-106584 is fixed in 21 products on 1 platform, first by openssh-client 1:10.2p1-2ubuntu3.8, released October 6, 2026. It is not reported as exploited. Patch Radar priority: Routine.
Routine
CVSS
3.3
Low
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0006
0th percentile
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.
Where it's fixed
| Product | Fixed in | Fix | Released |
|---|---|---|---|
| Linux | |||
| openssh · Debian 14 | 1:10.6p1-1 | DEBIAN-CVE-2026-106584 | Oct 12, 2026 |
| openssh · amzn 2023 | 9.9p1-16.amzn2023.0.1 | ALAS2023-2026-3354 | Nov 7, 2026 |
| openssh-client · Ubuntu 22.04.1 LTS (jammy) | 1:8.9p1-3ubuntu0.18 | openssh-client 1:8.9p1-3ubuntu0.18 | Oct 19, 2026 |
| openssh-client · Ubuntu 24.04.5 LTS (noble) | 1:9.6p1-3ubuntu13.20 | openssh-client 1:9.6p1-3ubuntu13.20 | Oct 19, 2026 |
| openssh-client · Ubuntu 26.04.1 LTS (resolute) | 1:10.2p1-2ubuntu3.8 | openssh-client 1:10.2p1-2ubuntu3.8 | Oct 6, 2026 |
| openssh-client-gssapi · Ubuntu 26.04.1 LTS (resolute) | 1:10.2p1-2ubuntu3.8 | openssh-client-gssapi 1:10.2p1-2ubuntu3.8 | Oct 6, 2026 |
| openssh-clients · amzn 2023 | 9.9p1-16.amzn2023.0.1 | ALAS2023-2026-3354 | Nov 7, 2026 |
| openssh-clients-debuginfo · amzn 2023 | 9.9p1-16.amzn2023.0.1 | ALAS2023-2026-3354 | Nov 7, 2026 |
| openssh-debuginfo · amzn 2023 | 9.9p1-16.amzn2023.0.1 | ALAS2023-2026-3354 | Nov 7, 2026 |
| openssh-debugsource · amzn 2023 | 9.9p1-16.amzn2023.0.1 | ALAS2023-2026-3354 | Nov 7, 2026 |
| openssh-gssapi · Debian 14 | 1:10.6p1-1 | DEBIAN-CVE-2026-106584 | Oct 12, 2026 |
| openssh-keycat · amzn 2023 | 9.9p1-16.amzn2023.0.1 | ALAS2023-2026-3354 | Nov 7, 2026 |
| openssh-keycat-debuginfo · amzn 2023 | 9.9p1-16.amzn2023.0.1 | ALAS2023-2026-3354 | Nov 7, 2026 |
| openssh-server · Ubuntu 22.04.1 LTS (jammy) | 1:8.9p1-3ubuntu0.18 | openssh-server 1:8.9p1-3ubuntu0.18 | Oct 19, 2026 |
| openssh-server · Ubuntu 24.04.5 LTS (noble) | 1:9.6p1-3ubuntu13.20 | openssh-server 1:9.6p1-3ubuntu13.20 | Oct 19, 2026 |
| openssh-server · Ubuntu 26.04.1 LTS (resolute) | 1:10.2p1-2ubuntu3.8 | openssh-server 1:10.2p1-2ubuntu3.8 | Oct 6, 2026 |
| openssh-server · amzn 2023 | 9.9p1-16.amzn2023.0.1 | ALAS2023-2026-3354 | Nov 7, 2026 |
| openssh-server-debuginfo · amzn 2023 | 9.9p1-16.amzn2023.0.1 | ALAS2023-2026-3354 | Nov 7, 2026 |
| openssh-server-gssapi · Ubuntu 26.04.1 LTS (resolute) | 1:10.2p1-2ubuntu3.8 | openssh-server-gssapi 1:10.2p1-2ubuntu3.8 | Oct 6, 2026 |
| openssh-sftp-server · Ubuntu 22.04.1 LTS (jammy) | 1:8.9p1-3ubuntu0.18 | openssh-sftp-server 1:8.9p1-3ubuntu0.18 | Oct 19, 2026 |
| openssh-sftp-server · Ubuntu 24.04.5 LTS (noble) | 1:9.6p1-3ubuntu13.20 | openssh-sftp-server 1:9.6p1-3ubuntu13.20 | Oct 19, 2026 |
| openssh-sftp-server · Ubuntu 26.04.1 LTS (resolute) | 1:10.2p1-2ubuntu3.8 | openssh-sftp-server 1:10.2p1-2ubuntu3.8 | Oct 6, 2026 |
| openssh-sk-dummy · amzn 2023 | 9.9p1-16.amzn2023.0.1 | ALAS2023-2026-3354 | Nov 7, 2026 |
| openssh-sk-dummy-debuginfo · amzn 2023 | 9.9p1-16.amzn2023.0.1 | ALAS2023-2026-3354 | Nov 7, 2026 |
| openssh-tests · Ubuntu 22.04.1 LTS (jammy) | 1:8.9p1-3ubuntu0.18 | openssh-tests 1:8.9p1-3ubuntu0.18 | Oct 19, 2026 |
| openssh-tests · Ubuntu 24.04.5 LTS (noble) | 1:9.6p1-3ubuntu13.20 | openssh-tests 1:9.6p1-3ubuntu13.20 | Oct 19, 2026 |
| openssh-tests · Ubuntu 26.04.1 LTS (resolute) | 1:10.2p1-2ubuntu3.8 | openssh-tests 1:10.2p1-2ubuntu3.8 | Oct 6, 2026 |
| pam_ssh_agent_auth · amzn 2023 | 0.10.4-10.16.amzn2023.0.1 | ALAS2023-2026-3354 | Nov 7, 2026 |
| pam_ssh_agent_auth-debuginfo · amzn 2023 | 0.10.4-10.16.amzn2023.0.1 | ALAS2023-2026-3354 | Nov 7, 2026 |
| ssh · Ubuntu 22.04.1 LTS (jammy) | 1:8.9p1-3ubuntu0.18 | ssh 1:8.9p1-3ubuntu0.18 | Oct 19, 2026 |
| ssh · Ubuntu 24.04.5 LTS (noble) | 1:9.6p1-3ubuntu13.20 | ssh 1:9.6p1-3ubuntu13.20 | Oct 19, 2026 |
| ssh · Ubuntu 26.04.1 LTS (resolute) | 1:10.2p1-2ubuntu3.8 | ssh 1:10.2p1-2ubuntu3.8 | Oct 6, 2026 |
| ssh-askpass-gnome · Ubuntu 22.04.1 LTS (jammy) | 1:8.9p1-3ubuntu0.18 | ssh-askpass-gnome 1:8.9p1-3ubuntu0.18 | Oct 19, 2026 |
| ssh-askpass-gnome · Ubuntu 24.04.5 LTS (noble) | 1:9.6p1-3ubuntu13.20 | ssh-askpass-gnome 1:9.6p1-3ubuntu13.20 | Oct 19, 2026 |
| ssh-askpass-gnome · Ubuntu 26.04.1 LTS (resolute) | 1:10.2p1-2ubuntu3.8 | ssh-askpass-gnome 1:10.2p1-2ubuntu3.8 | Oct 6, 2026 |
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.