Debian/openssh: medium 6.5
sshd in OpenSSH before 10.4 has an undocumented security-relevant behavior: GSSAPIStrictAcceptorCheck has no value if the server is in Windows Active Directory.
Action: Upgrade openssh to 1:10.4p1-1 or later.
Affected
| introduced | fixed | last affected |
|---|---|---|
| 0 | 1:10.4p1-1 | - |
Fixed versions
| 1:10.4p1-1 |
Sources
- osv: DEBIAN-CVE-2026-59998#Debian:14/openssh
- https://security-tracker.debian.org/tracker/CVE-2026-59998
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