CVE-2023-26551

At a glance

Severity: MEDIUM 5.6
EPSS: EPSS 0.66 % · percentile 52 (2026-10-27)
State: PUBLISHED
Published: 2023-04-11
Updated: 2025-02-11
Assigner: mitre
NVD status: Modified

Description

mstolfp in libntp/mstolfp.c in NTP 4.2.8p15 has an out-of-bounds write in the cp<cpdec while loop. An adversary may be able to attack a client ntpq process, but cannot attack ntpd.

Scores

Version	Score	Vector	Scored by
CVSS 3.1	MEDIUM 5.6	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L	CISA-ADP
CVSS 3.1	MEDIUM 5.6	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L	NVD · nvd@nist.gov (Primary)
CVSS 3.1	MEDIUM 5.6	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L	NVD · 134c704f-9b21-4f2e-91b3-4a467353bcc0 (Secondary)

Weaknesses (CWE)

CWE-787

European references

ENISA EUVD · EUVD-2023-30348
GCVE · GCVE-0-2023-26551

CERT-FR advisories

CERTFR-2026-AVI-0326 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
CERTFR-2026-AVI-0316 — Multiples vulnérabilités dans les produits VMware · cert.ssi.gouv.fr
CERTFR-2023-AVI-0836 — Multiples vulnérabilités dans les produits Juniper · cert.ssi.gouv.fr

Affected configurations (NVD CPE)

cpe:2.3:a:ntp:ntp:4.2.8:p15:*:*:*:*:*:*

Affected products

Product	Versions
	affected n/a

References

Sources

Source	Licence
CVE List (CVEProject cvelistV5)	CVE Program Terms of Use
EPSS (FIRST.org)	FIRST — attribution requested
ENISA EUVD	ENISA — reproduction authorised, source acknowledged
CERT-FR (ANSSI)	Licence Ouverte / Etalab 2.0
NVD (NIST) via fkie-cad/nvd-json-data-feeds	Public domain — this product uses data from the NVD API but is not endorsed or certified by the NVD