CVE-2026-106585: Medium severity OpenSSH OpenSSH vulnerability

Published Oct 6, 2026
·
Updated

In sshd and ssh in OpenSSH before 10.6, there is no check for whether the maximum packet length is exceeded during decompression of highly compressed data.

Affected Software

1 affected component
OpenSSH OpenSSH<10.6

Event History

Oct 6, 2026
CVE Published
via MITRE·08:52 PM
Data Sourced
via MITRE·08:52 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·09:17 PM
DescriptionSeverityWeakness

Frequently Asked Questions

1

What would an attacker need to exploit this issue?

The vector is network-based and requires no privileges or user interaction. Exploitation involves sending highly compressed data that exceeds the maximum packet length during decompression.

2

Which OpenSSH components are affected?

The issue affects both sshd and ssh in OpenSSH versions before 10.6.

3

What is the potential impact?

The reported impact is limited to integrity and availability, with no confidentiality impact indicated. The severity is medium with a CVSS score of 6.5.

Contact

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