
CVE catalog
CVE-2023-4012
ntpsec: CVE-2023-4012
- Severity
- High · CVSS 7.5
CVSS: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.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | ntpsec | sid | 1.2.5+dfsg-1 | fixed |
| Debian | ntpsec | forky | 1.2.5+dfsg-1 | fixed |
| Debian | ntpsec | trixie | 1.2.3+dfsg1-8 | fixed |
| Debian | ntpsec | bookworm | 1.2.2+dfsg1-1+deb12u1 | fixed |
| Debian | ntpsec | bookworm-security | 1.2.2+dfsg1-1+deb12u1 | fixed |
| Ubuntu | ntpsec | 18.04 | 1.0.0+dfsg1-1 | vulnerable |
| Ubuntu | ntpsec | 18.04 | 1.0.0+dfsg1-3 | vulnerable |
| Ubuntu | ntpsec | 18.04 | 1.1.0+dfsg1-1 | vulnerable |
| Ubuntu | ntpsec | 18.04 | 1.1.0+dfsg1-1ubuntu0.1 | vulnerable |
| Ubuntu | ntpsec | 18.04 | 1.1.0+dfsg1-1ubuntu0.2 | vulnerable |
| Ubuntu | ntpsec | 20.04 | 1.1.3+dfsg1-2 | vulnerable |
| Ubuntu | ntpsec | 20.04 | 1.1.7+dfsg1-1 | vulnerable |
| Ubuntu | ntpsec | 20.04 | 1.1.7+dfsg1-2 | vulnerable |
| Ubuntu | ntpsec | 20.04 | 1.1.8+dfsg1-1 | vulnerable |
| Ubuntu | ntpsec | 20.04 | 1.1.8+dfsg1-3 | vulnerable |
| Ubuntu | ntpsec | 20.04 | 1.1.8+dfsg1-4 | vulnerable |
| Ubuntu | ntpsec | 20.04 | 1.1.8+dfsg1-4build1 | vulnerable |
| Ubuntu | ntpsec | 22.04 | 1.2.0+dfsg1-4 | vulnerable |
| Ubuntu | ntpsec | 22.04 | 1.2.1+dfsg1-2 | vulnerable |
| Ubuntu | ntpsec | 22.04 | 1.2.1+dfsg1-3 | vulnerable |
| Ubuntu | ntpsec | 22.04 | 1.2.1+dfsg1-3ubuntu1 | vulnerable |
| Ubuntu | ntpsec | 22.04 | 1.2.1+dfsg1-4 | vulnerable |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | ntpsec | source | sid | 1.2.2+dfsg1-2 | not yet assigned | Not reported | [1038422] |
| Debian | ntpsec | source | forky | 1.2.2+dfsg1-2 | not yet assigned | Not reported | [1038422] |
| Debian | ntpsec | source | trixie | 1.2.2+dfsg1-2 | not yet assigned | Not reported | [1038422] |
| Debian | ntpsec | source | bookworm | 1.2.2+dfsg1-1+deb12u1 | not yet assigned | Not reported | [1038422] |
OpenFactory catalog packages
Matching against OpenFactory catalog package versions is in progress.
References
- [https://ftp.suse.com/pub/projects/security/csaf/opensuse-su-2024_13463-1.json]
- [https://osv.dev/vulnerability/DEBIAN-CVE-2023-4012]
- [https://osv.dev/vulnerability/DSA-5466-1]
- [https://osv.dev/vulnerability/UBUNTU-CVE-2023-4012]
- [https://security-tracker.debian.org/tracker/CVE-2023-4012]
- [https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-4012.json]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]