ntpd in ntp before 4.2.8p3 with remote configuration enabled allows remote authenticated users with knowledge of the configuration password and access to a computer entrusted to perform remote configuration to cause a denial of service (service crash) via a NULL byte in a crafted configuration directive packet.
Severity
CVSS 3.0
5.3 medium
CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS
4.9% chance of exploitation in the next 30 days; higher than 92% of CVEs (scores of 2026-10-31)