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OpenAdvisories
Medium USN-5175-1 1 CVE

ntp vulnerability

Published Dec 6, 2021 · Updated Feb 10, 2026

Summary

It was discovered that ntpd incorrectly handled memory when CMAC keys
were used. A remote attacker could possibly use this issue to cause ntpd to
crash resulting in a denial of service.

Fixed packages 1

ReleasePackageFixed in
Ubuntu · Pro 20.04 LTS Pro:20.04:LTS ntp 1:4.2.8p12+dfsg-3ubuntu4.20.04.1+esm1

Vulnerabilities 1

  • Medium 4.4

    ntpd in ntp 4.2.8 before 4.2.8p15 and 4.3.x before 4.3.101 allows remote attackers to cause a denial of service (memory…

References

  • report
    https://ubuntu.com/security/CVE-2020-15025