CVE-2016-10708

Name: CVE-2016-10708
Creator: NVD / NIST
Published: 2018-01-21T22:29:00.227+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.5/10EPSS 16.00%

Last modified Jun 17, 2026

CVE-2016-10708 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 16.00% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

EPSS Probability

16.00%

96.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Openbsd	Openssh	< 7.4
Debian	Debian Linux	7.0
Debian	Debian Linux	8.0
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	18.04
Netapp	Cloud Backup	All versions
Netapp	Data Ontap	All versions
Netapp	Data Ontap Edge	All versions
Netapp	Oncommand Unified Manager	>= 9.4
Netapp	Service Processor	All versions
Netapp	Storagegrid	All versions
Netapp	Storagegrid Webscale	All versions
Netapp	Clustered Data Ontap	All versions
Netapp	Vasa Provider	All versions

References

http://blog.swiecki.net/2018/01/fuzzing-tcp-servers.htmlPatch, Third Party Advisory
http://www.securityfocus.com/bid/102780Third Party Advisory, VDB Entry
https://anongit.mindrot.org/openssh.git/commit/?id=28652bca29046f62c7045e933e6b931de1d16737Patch, Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-676336.pdf
https://kc.mcafee.com/corporate/index?page=content&id=SB10284
https://lists.debian.org/debian-lts-announce/2018/01/msg00031.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00010.htmlMailing List, Third Party Advisory
https://security.netapp.com/advisory/ntap-20180423-0003/Third Party Advisory
https://support.f5.com/csp/article/K32485746?utm_source=f5support&amp%3Butm_medium=RSS
https://usn.ubuntu.com/3809-1/Third Party Advisory
https://www.openssh.com/releasenotes.htmlRelease Notes, Vendor Advisory
http://blog.swiecki.net/2018/01/fuzzing-tcp-servers.htmlPatch, Third Party Advisory
http://www.securityfocus.com/bid/102780Third Party Advisory, VDB Entry
https://anongit.mindrot.org/openssh.git/commit/?id=28652bca29046f62c7045e933e6b931de1d16737Patch, Third Party Advisory
https://cert-portal.siemens.com/productcert/pdf/ssa-676336.pdf
https://kc.mcafee.com/corporate/index?page=content&id=SB10284
https://lists.debian.org/debian-lts-announce/2018/01/msg00031.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00010.htmlMailing List, Third Party Advisory
https://security.netapp.com/advisory/ntap-20180423-0003/Third Party Advisory
https://support.f5.com/csp/article/K32485746?utm_source=f5support&amp%3Butm_medium=RSS
https://usn.ubuntu.com/3809-1/Third Party Advisory
https://www.openssh.com/releasenotes.htmlRelease Notes, Vendor Advisory

Timeline

Published: Jan 21, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-10708?

How severe is CVE-2016-10708?

CVE-2016-10708 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 16.00% probability of exploitation in the next 30 days.

How do I fix CVE-2016-10708?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-10708?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST