---
id: CVE-2026-106585
title: >-
  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.
summary: >-
  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.
severity: medium
cvss: 6.5
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L'
cwe:
  - CWE-409
vendor: OpenBSD
product: OpenSSH
affected:
  - OpenSSH < 10.6
published: '2026-10-06'
updated: '2026-10-06'
sourceUpdated: '2026-10-06T21:17:19.663'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-106585'
references:
  - url: 'https://www.openssh.org/releasenotes.html#10.6'
    label: cve@mitre.org
tags:
  - nvd
  - cve.org
ingestedAt: '2026-10-06T21:20:28.989Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.