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OpenAdvisories
Unscored USN-4229-2 1 CVE

ntp vulnerability

Published Mar 15, 2021 · Updated Feb 10, 2026

Summary

USN-4229-1 fixed a vulnerability in NTP. This update provides the
corresponding update for Ubuntu 18.04 ESM.

Original advisory details:

It was discovered that ntpq and ntpdc incorrectly handled some arguments.
An attacker could possibly use this issue to cause ntpq or ntpdc to crash,
execute arbitrary code, or escalate to higher privileges.

Fixed packages 1

ReleasePackageFixed in
Ubuntu · Pro 18.04 LTS Pro:18.04:LTS ntp 1:4.2.8p10+dfsg-5ubuntu7.3+esm1

Vulnerabilities 1

  • Unscored —
    CVE-2018-12327 Public exploit EPSS 28%

    Stack-based buffer overflow in ntpq and ntpdc of NTP version 4.2.8p11 allows an attacker to achieve code execution or e…

References

  • report
    https://ubuntu.com/security/CVE-2018-12327