CVE catalog

CVE-2017-6463

UBUNTU-CVE-2017-6463

[CVE catalog]

Severity
Medium · CVSS 6.5CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Published
Updated
Source
[NVD] · [CVE record]
EPSS
5.24% · Oct 27, 2026

NTP before 4.2.8p10 and 4.3.x before 4.3.94 allows remote authenticated users to cause a denial of service (daemon crash) via an invalid setting in a :config directive, related to the unpeer option.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

DistributionPackageReleaseVersionStatus
Debianntp111:4.2.8p10+dfsg-1fixed
Ubuntuntp14.041:4.2.6.p5+dfsg-3ubuntu2vulnerable
Ubuntuntp14.041:4.2.6.p5+dfsg-3ubuntu2.14.04.1vulnerable
Ubuntuntp14.041:4.2.6.p5+dfsg-3ubuntu2.14.04.2vulnerable
Ubuntuntp14.041:4.2.6.p5+dfsg-3ubuntu2.14.04.3vulnerable
Ubuntuntp14.041:4.2.6.p5+dfsg-3ubuntu2.14.04.5vulnerable
Ubuntuntp14.041:4.2.6.p5+dfsg-3ubuntu2.14.04.6vulnerable
Ubuntuntp14.041:4.2.6.p5+dfsg-3ubuntu2.14.04.7vulnerable
Ubuntuntp14.041:4.2.6.p5+dfsg-3ubuntu2.14.04.8vulnerable
Ubuntuntp14.041:4.2.6.p5+dfsg-3ubuntu2.14.04.10vulnerable
Ubuntuntp14.041:4.2.6.p5+dfsg-3ubuntu2.14.04.11fixed
Ubuntuntp16.041:4.2.6.p5+dfsg-3ubuntu8vulnerable
Ubuntuntp16.041:4.2.6.p5+dfsg-3ubuntu8.1vulnerable
Ubuntuntp16.041:4.2.6.p5+dfsg-3ubuntu9vulnerable
Ubuntuntp16.041:4.2.8p4+dfsg-3ubuntu1vulnerable
Ubuntuntp16.041:4.2.8p4+dfsg-3ubuntu2vulnerable
Ubuntuntp16.041:4.2.8p4+dfsg-3ubuntu3vulnerable
Ubuntuntp16.041:4.2.8p4+dfsg-3ubuntu4vulnerable
Ubuntuntp16.041:4.2.8p4+dfsg-3ubuntu5vulnerable
Ubuntuntp16.041:4.2.8p4+dfsg-3ubuntu5.1vulnerable
Ubuntuntp16.041:4.2.8p4+dfsg-3ubuntu5.2vulnerable
Ubuntuntp16.041:4.2.8p4+dfsg-3ubuntu5.3vulnerable
Ubuntuntp16.041:4.2.8p4+dfsg-3ubuntu5.4vulnerable
Ubuntuntp16.041:4.2.8p4+dfsg-3ubuntu5.5fixed

Fixed-version evidence

DistributionPackageTypeReleaseFixed versionUrgencyOriginBugs
Debianntpdeb111:4.2.8p10+dfsg-1Not reportedDEBIAN-CVE-2017-6463Not reported
Ubuntuntpdeb14.041:4.2.6.p5+dfsg-3ubuntu2.14.04.11Not reportedUBUNTU-CVE-2017-6463Not reported
Ubuntuntpdeb16.041:4.2.8p4+dfsg-3ubuntu5.5Not reportedUBUNTU-CVE-2017-6463Not reported

OpenFactory catalog packages

No matching packages in this catalog.

Observed:

References