Unprotected Alternate Channel Affecting openssh-server package, versions <8.4p1-150300.3.65.1


Severity

Recommended
0.0
low
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.23% (13th percentile)

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  • Snyk IDSNYK-SLES155-OPENSSHSERVER-17318625
  • published12 Jun 2026
  • disclosed11 Jun 2026

Introduced: 11 Jun 2026

CVE-2026-35388  (opens in a new tab)
CWE-420  (opens in a new tab)

How to fix?

Upgrade SLES:15.5 openssh-server to version 8.4p1-150300.3.65.1 or higher.

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 SLES. See How to fix? for SLES:15.5 relevant fixed versions and status.

OpenSSH before 10.3 omits connection multiplexing confirmation for proxy-mode multiplexing sessions.

CVSS Base Scores

version 3.1