CVE-2026-102484

Public on 2026-10-21

Modified on 2026-10-22

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.

Severity

Medium

See what this means

CVSS v3 Base Score

6.8

See breakdown

Affected Packages

Platform	Package	Release Date	Advisory	Status
Amazon Linux 2 - Core	ntp			Pending Fix

CVSS Scores

	Score Type	Score	Vector
Amazon Linux	CVSSv3	6.8	CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:H

References

FAQs regarding Amazon Linux ALAS/CVE Severity Red Hat: CVE-2026-102484 Mitre: CVE-2026-102484