CVE-2026-106585: OpenBSD OpenSSH

Medium severity, CVSS 6.5. EPSS: 0.2% chance of exploitation in the next 30 days.

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 products

• OpenBSD OpenSSH: before 10.6 (fixed in 10.6)

Published 2026-10-06. Last modified 2026-10-07.