CVE-2023-26551: Medium severity ntp vulnerability

Published Apr 11, 2023
·
Updated

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.

Affected Software

1 affected component
NTP ntp=4.2.8-p15

Event History

Apr 11, 2023
CVE Published
via MITRE·12:00 AM
Data Sourced
via MITRE·12:00 AM
Description
Data Sourced
via NVD·09:15 PM
DescriptionSeverityWeaknessAffected Software
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Frequently Asked Questions

1

What is the severity of CVE-2023-26551?

The severity of CVE-2023-26551 is medium with a CVSS score of 5.6.

2

How does CVE-2023-26551 affect NTP?

CVE-2023-26551 affects NTP version 4.2.8p15.

3

What is the CWE ID of CVE-2023-26551?

The CWE ID of CVE-2023-26551 is CWE-787.

4

What is the fix for CVE-2023-26551?

To fix CVE-2023-26551, upgrade NTP to version 4.2.8p16 or later.

5

Is it possible to attack the ntpq process with CVE-2023-26551?

No, an adversary cannot attack the ntpq process with CVE-2023-26551.

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203