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CVE-2023-26554

ntp: an out-of-bounds write when adding a '\0' character

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Severity

Moderate

Red Hat Product Security

5.6

CVSS 3.1

Review impact separately from score.

Published · April 12, 2023

Updated · November 21, 2025

Description

An out-of-bounds write flaw was found in the ntp package. A remote attacker may trigger this vulnerability by sending malicious data packets to the ntp server. An adversary may be able to attack a client ntpq process, but cannot attack ntpd.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.6
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

CWE-787 · Out-of-bounds Write