CVE catalog

CVE-2015-8138

UBUNTU-CVE-2015-8138

[CVE catalog]

Severity
Medium · CVSS 5.3CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Published
Updated
Source
[NVD] · [CVE record]
EPSS
6.25% · Oct 25, 2026

NTP before 4.2.8p6 and 4.3.x before 4.3.90 allows remote attackers to bypass the origin timestamp validation via a packet with an origin timestamp set to zero.

Vulnerable and fixed packages

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

DistributionPackageReleaseVersionStatus
Debianntp111:4.2.8p7+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-3ubuntu2.14.04.10fixed
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-3ubuntu5.3fixed

Fixed-version evidence

DistributionPackageTypeReleaseFixed versionUrgencyOriginBugs
Debianntpdeb111:4.2.8p7+dfsg-1Not reportedDEBIAN-CVE-2015-8138Not reported
Ubuntuntpdeb14.041:4.2.6.p5+dfsg-3ubuntu2.14.04.10Not reportedUBUNTU-CVE-2015-8138Not reported
Ubuntuntpdeb16.041:4.2.8p4+dfsg-3ubuntu5.3Not reportedUBUNTU-CVE-2015-8138Not reported

OpenFactory catalog packages

No matching packages in this catalog.

Observed:

References