CVE-2026-106584
Quick assessment
Affected
OpenBSD OpenSSH
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.
在 OpenSSH 10.6 之前的版本中，ssh-keygen 生成的证书可能因夏令时处理不当而出现错误的过期时间。在某些南极地区，对用户的影响可能更为严重。
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I. Basic Information for CVE-2026-106584
Vulnerability Information
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Vulnerability Title
N/A
Source: CVE Program / CVE List V5
Vulnerability Description
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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:L/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
Off-by-one错误
Source: CVE Program / CVE List V5
Affected Products
II. Public POCs for CVE-2026-106584
| # | POC Description | Source Link | Shenlong Link |
|---|
AI-Generated POC
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Other References for CVE-2026-106584 (1)
Same Patch Batch · OpenBSD · 2026-10-06 · 10 CVEs total
| CVE-2026-106585 | 6.5 MEDIUM | OpenSSH 10.6前解压缩漏洞 |
| CVE-2026-106552 | 4.2 MEDIUM | OpenSSH sftp远程目录遍历漏洞 |
| CVE-2026-106582 | 3.7 LOW | OpenSSH <10.6 压缩漏洞 |
| CVE-2026-106587 | 3.6 LOW | OpenSSH 10.6前sshd配置项解析漏洞 |
| CVE-2026-106588 | 3.1 LOW | OpenSSH 10.6及以前macOS 27+沙盒丢失漏洞 |
| CVE-2026-106589 | 2.9 LOW | OpenSSH 10.6及以下版本权限提升漏洞 |
| CVE-2026-106586 | 2.5 LOW | OpenSSH <10.6 restricted关键字隧道转发绕过 |
| CVE-2026-106553 | 2.2 LOW | OpenSSH低于10.6版本GSSAPI凭证持久化漏洞 |
| CVE-2026-106555 | 2.2 LOW | OpenSSH <10.6 GSSAPI认证状态持久化漏洞 |
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Same weakness: CWE-193
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V. Comments for CVE-2026-106584
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