CVE-2016-10708: Canonical Ubuntu Linux

High severity, CVSS 7.5. EPSS: 15.7% chance of exploitation in the next 30 days.

sshd in OpenSSH before 7.4 allows remote attackers to cause a denial of service (NULL pointer dereference and daemon crash) via an out-of-sequence NEWKEYS message, as demonstrated by Honggfuzz, related to kex.c and packet.c.

Affected products

• Canonical Ubuntu Linux: version 14.04 only; version 16.04 only; version 18.04 only
• Debian Debian Linux: version 7.0 only; version 8.0 only
• Netapp Cloud Backup: affected versions not specified
• Netapp Clustered Data Ontap: affected versions not specified
• Netapp Data Ontap: affected versions not specified
• Netapp Data Ontap Edge: affected versions not specified
• Netapp Oncommand Unified Manager: from 9.4
• Netapp Service Processor: affected versions not specified
• Netapp Storagegrid: affected versions not specified
• Netapp Storagegrid Webscale: affected versions not specified
• Netapp Vasa Provider: affected versions not specified
• OpenBSD OpenSSH: before 7.4 (fixed in 7.4)

Published 2018-01-21. Last modified 2026-06-17.