CVE-2018-7183

Name: CVE-2018-7183
Creator: NVD / NIST
Published: 2018-03-08T20:29:00.423+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 10.78%

Last modified Jun 17, 2026

CVE-2018-7183 is a vulnerability of currently unknown severity. Buffer overflow in the decodearr function in ntpq in ntp 4.2.8p6 through 4.2.8p10 allows remote attackers to execute arbitrary code by leveraging an ntpq query and sending a response with a crafted array.. EPSS estimates a 10.78% chance of exploitation in the next 30 days.

Description

Buffer overflow in the decodearr function in ntpq in ntp 4.2.8p6 through 4.2.8p10 allows remote attackers to execute arbitrary code by leveraging an ntpq query and sending a response with a crafted array.

Metrics

EPSS Probability

10.78%

95.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-787

Affected Software

Vendor	Product	Versions	Update
Ntp	Ntp	4.2.8	P10
Freebsd	Freebsd	10.3	—
Freebsd	Freebsd	10.4	—
Freebsd	Freebsd	11.1	—
Canonical	Ubuntu Linux	12.04	—
Canonical	Ubuntu Linux	14.04	—
Canonical	Ubuntu Linux	16.04	—
Canonical	Ubuntu Linux	17.10	—
Canonical	Ubuntu Linux	18.04	—
Netapp	Element Software	All versions	—

References

http://support.ntp.org/bin/view/Main/NtpBug3414Vendor Advisory
http://support.ntp.org/bin/view/Main/SecurityNotice#February_2018_ntp_4_2_8p11_NTP_SVendor Advisory
http://www.securityfocus.com/bid/103351Third Party Advisory, VDB Entry
https://security.FreeBSD.org/advisories/FreeBSD-SA-18:02.ntp.ascThird Party Advisory
https://security.gentoo.org/glsa/201805-12Third Party Advisory
https://security.netapp.com/advisory/ntap-20180626-0001/Third Party Advisory
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03962en_us
https://usn.ubuntu.com/3707-1/Third Party Advisory
https://usn.ubuntu.com/3707-2/Third Party Advisory
https://www.oracle.com//security-alerts/cpujul2021.html
https://www.synology.com/support/security/Synology_SA_18_13Third Party Advisory
http://support.ntp.org/bin/view/Main/NtpBug3414Vendor Advisory
http://support.ntp.org/bin/view/Main/SecurityNotice#February_2018_ntp_4_2_8p11_NTP_SVendor Advisory
http://www.securityfocus.com/bid/103351Third Party Advisory, VDB Entry
https://security.FreeBSD.org/advisories/FreeBSD-SA-18:02.ntp.ascThird Party Advisory
https://security.gentoo.org/glsa/201805-12Third Party Advisory
https://security.netapp.com/advisory/ntap-20180626-0001/Third Party Advisory
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbux03962en_us
https://usn.ubuntu.com/3707-1/Third Party Advisory
https://usn.ubuntu.com/3707-2/Third Party Advisory
https://www.oracle.com//security-alerts/cpujul2021.html
https://www.synology.com/support/security/Synology_SA_18_13Third Party Advisory

Timeline

Published: Mar 8, 2018
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2018-7183?

How severe is CVE-2018-7183?

Severity scoring for CVE-2018-7183 is pending analysis. The EPSS model estimates a 10.78% probability of exploitation in the next 30 days.

How do I fix CVE-2018-7183?

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-2018-7183?

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

Scan your code now

Source: NVD / NIST