Improper Following of Specification by Caller Affecting openssh package, versions <0:9.9p1-13.0.1.el9_8


Severity

Recommended
0.0
medium
0
10

Based on Oracle Linux security rating.

Threat Intelligence

EPSS
0.18% (7th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-ORACLE9-OPENSSH-21401620
  • published21 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:9 openssh to version 0:9.9p1-13.0.1.el9_8 or higher.
This issue was patched in ELSA-2026-85958.

NVD Description

Note: Versions mentioned in the description apply only to the upstream openssh package and not the openssh package as distributed by Oracle. See How to fix? for Oracle:9 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