CVE-2023-26555: Ntp

Medium severity, CVSS 6.4. EPSS: 0.5% chance of exploitation in the next 30 days.

praecis_parse in ntpd/refclock_palisade.c in NTP 4.2.8p15 has an out-of-bounds write. Any attack method would be complex, e.g., with a manipulated GPS receiver.

Affected products

• Ntp Ntp: version 4.2.8 only

Published 2023-04-11. Last modified 2026-06-17.