CVE-2026-102484mediumCWE-122

CVE-2026-102484: medium-severity vulnerability in ntpsec

Heap-based Buffer Overflow in ntpsec

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13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 6.4epss 0.2%
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:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H
Affected products
NTPsec · ntpsec
Related CVEs — ntpsec

In the same product, most dangerous first.

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