CVE catalog

CVE-2023-4012

ntpsec: CVE-2023-4012

[CVE catalog]

Severity
High · CVSS 7.5CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
Source
[NVD] · [CVE record]
EPSS
0.45% · Oct 25, 2026

ntpd will crash if the server is not NTS-enabled (no certificate) and it receives an NTS-enabled client request (mode 3).

Vulnerable and fixed packages

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

DistributionPackageReleaseVersionStatus
Debianntpsecsid1.2.5+dfsg-1fixed
Debianntpsecforky1.2.5+dfsg-1fixed
Debianntpsectrixie1.2.3+dfsg1-8fixed
Debianntpsecbookworm1.2.2+dfsg1-1+deb12u1fixed
Debianntpsecbookworm-security1.2.2+dfsg1-1+deb12u1fixed
Ubuntuntpsec18.041.0.0+dfsg1-1vulnerable
Ubuntuntpsec18.041.0.0+dfsg1-3vulnerable
Ubuntuntpsec18.041.1.0+dfsg1-1vulnerable
Ubuntuntpsec18.041.1.0+dfsg1-1ubuntu0.1vulnerable
Ubuntuntpsec18.041.1.0+dfsg1-1ubuntu0.2vulnerable
Ubuntuntpsec20.041.1.3+dfsg1-2vulnerable
Ubuntuntpsec20.041.1.7+dfsg1-1vulnerable
Ubuntuntpsec20.041.1.7+dfsg1-2vulnerable
Ubuntuntpsec20.041.1.8+dfsg1-1vulnerable
Ubuntuntpsec20.041.1.8+dfsg1-3vulnerable
Ubuntuntpsec20.041.1.8+dfsg1-4vulnerable
Ubuntuntpsec20.041.1.8+dfsg1-4build1vulnerable
Ubuntuntpsec22.041.2.0+dfsg1-4vulnerable
Ubuntuntpsec22.041.2.1+dfsg1-2vulnerable
Ubuntuntpsec22.041.2.1+dfsg1-3vulnerable
Ubuntuntpsec22.041.2.1+dfsg1-3ubuntu1vulnerable
Ubuntuntpsec22.041.2.1+dfsg1-4vulnerable

Fixed-version evidence

DistributionPackageTypeReleaseFixed versionUrgencyOriginBugs
Debianntpsecsourcesid1.2.2+dfsg1-2not yet assignedNot reported[1038422]
Debianntpsecsourceforky1.2.2+dfsg1-2not yet assignedNot reported[1038422]
Debianntpsecsourcetrixie1.2.2+dfsg1-2not yet assignedNot reported[1038422]
Debianntpsecsourcebookworm1.2.2+dfsg1-1+deb12u1not yet assignedNot reported[1038422]

[Debian bug #1038422]

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

References