CVE-2026-102484 — MEDIUM (6.4)

Vulnerability Description

Heap-based buffer overflow in the JJY refclock driver in NTPsec ntpd before 1.2.6 allows an attacker who controls the Telephone JJY time source to corrupt memory or crash ntpd via more than six time replies.

CVSS Score

6.4

MEDIUM

CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H

Attack Vector

PHYSICAL

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

LOW

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-122

References

FAQ

What is CVE-2026-102484?

CVE-2026-102484 is a vulnerability with a CVSS score of 6.4 (MEDIUM). Heap-based buffer overflow in the JJY refclock driver in NTPsec ntpd before 1.2.6 allows an attacker who controls the Telephone JJY time source to corrupt memory or crash ntpd via more than six time r...

How severe is CVE-2026-102484?

CVE-2026-102484 has been rated MEDIUM with a CVSS base score of 6.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-102484?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.