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CVE-2016-10708

31
FAUCET Score

CVE-2016-10708 describes a denial-of-service vulnerability in OpenSSH versions prior to 7.4, affecting products from vendors like Canonical, Debian, and NetApp. This flaw, a NULL pointer dereference, can be triggered remotely by sending an out-of-sequence NEWKEYS message. With a CVSS score of 7.5 (HIGH), it poses a significant risk of daemon crashes, though it requires no user interaction or privileges. There is no evidence of active exploitation, nor are there public exploits available in Metasploit or ExploitDB, and community discussion is minimal.

Impacted Technologies

VendorProductVersion(s)CPE
< 7.4CPE matchmatch criteria
cpe:2.3:a:openbsd:openssh:*:*:*:*:*:*:*:*
7.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:*
8.0CPE matchmatch criteria
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
14.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
16.04CPE matchmatch criteria
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*

CVSS Data

CVSS version used by this source: 3.0

7.5HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.0

Exploit Intelligence

EPSS Score
15.72%
Probability of exploitation in next 30 days
EPSS Percentile
96.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-24
Model: v2026.06.15
This CVE's current EPSS score of 0.1572 is in the 95th percentile among its peer group of 51,455 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (3)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 7Fixed in: openssh-0:7.4p1-11.el7
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: openssh
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 6Fixed in: openssh

Vendor Advisories (1)

redhatCVE-2016-10708Low

openssh: Out of sequence NEWKEYS message can allow remote attacker to cause denial of service

Jan 24, 2018

References

blog.swiecki.net / 2018/01/fuzzing-tcp-servers.html
PatchThird Party Advisory
anongit.mindrot.org / openssh.git/commit
PatchThird Party Advisory
cert-portal.siemens.com / productcert/pdf/ssa-676336.pdf
kc.mcafee.com / corporate/index
lists.debian.org / debian-lts-announce/2018/01/msg00031.html
Mailing ListThird Party Advisory
lists.debian.org / debian-lts-announce/2018/09/msg00010.html
Mailing ListThird Party Advisory
security.netapp.com / advisory/ntap-20180423-0003
Third Party Advisory
support.f5.com / csp/article/K32485746
usn.ubuntu.com / 3809-1
Third Party Advisory
openssh.com / releasenotes.html
Release NotesVendor Advisory
securityfocus.com / bid/102780
Third Party AdvisoryVDB Entry