CVE-2026-102484
MEDIUM
CVSS 6.4
Published: 2026-10-21
Modified: 2026-10-22
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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.
Quick Facts
| CVE ID | CVE-2026-102484 |
| CVSS Score | 6.4 |
| Vector | CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H |
| Published | 2026-10-21 |
| Exploited | No |
| CISA KEV | No |
| PoC | Not public |