CVE-2018-7183

high

Published — · Modified —

CVSS v3

—

CVSS v2

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VIR risk

8.0

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.

Predictions

Exploit likelihood

20%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2018-7183

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2018-7183.html

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-201803-11

OS impact

OS	Version	Status	Fixed in
arch		fixed	`4.2.8.p11-1`
sles		affected
debian	bullseye	fixed	`1:4.2.8p11+dfsg-1`
debian	bookworm	fixed	`0`
debian	forky	fixed	`0`
debian	sid	fixed	`0`
debian	trixie	fixed	`0`

References

https://security.archlinux.org/ASA-201803-11
https://www.suse.com/security/cve/CVE-2018-7183.html
https://security-tracker.debian.org/tracker/CVE-2018-7183

Verify integrity in audit chain (admin only). AS-IS.