CVE-2026-18321

Buffer overflow in NTPsec's Zyfer refclock allows local attacker to crash ntpd...

EUVD-2026-51593

Buffer overflow in NTPsec's Zyfer refclock allows local attacker to crash ntpd...

PT-2026-66833

Name of the Vulnerable Software and Affected Versions NTPsec affected versions not specified Description A buffer overflow occurs in the Zyfer refclock component of NTPsec. This issue allows a local attacker to cause a crash of the ntpd process by triggering a buffer copy without checking the siz...