Improper Following of Specification by Caller Affecting openssh-server package, versions <0:8.0p1-34.0.1.el8_10


Severity

Recommended
0.0
medium
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.18% (7th percentile)

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  • Snyk IDSNYK-ORACLE8-OPENSSHSERVER-21663106
  • published23 Oct 2026
  • disclosed8 Jul 2026

Introduced: 8 Jul 2026

CVE-2026-59998  (opens in a new tab)
CWE-573  (opens in a new tab)

How to fix?

Upgrade Oracle:8 openssh-server to version 0:8.0p1-34.0.1.el8_10 or higher.
This issue was patched in ELSA-2026-88211.

NVD Description

Note: Versions mentioned in the description apply only to the upstream openssh-server package and not the openssh-server package as distributed by Oracle. See How to fix? for Oracle:8 relevant fixed versions and status.

sshd in OpenSSH before 10.4 has an undocumented security-relevant behavior: GSSAPIStrictAcceptorCheck has no value if the server is in Windows Active Directory.

CVSS Base Scores

version 3.1