{"identifier":"CVE-2026-102484","cve":{"id":"CVE-2026-102484","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.","published":"2026-10-21T16:17:14.043000+00:00","modified":"2026-10-29T21:17:07.933000+00:00","status":"Awaiting Analysis","score":6.4,"severity":"MEDIUM","vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H","cvss_version":"3.1","affected":[],"weaknesses":["CWE-122"],"references":[{"url":"https://gitlab.com/NTPsec/ntpsec/-/commit/62a454f6fcb6f2dcc8d5866f6558905ebdb7dd69","source":"cve@gitlab.com"},{"url":"https://gitlab.com/NTPsec/ntpsec/-/work_items/895","source":"cve@gitlab.com"}],"kev":null,"kev_checked":true,"metrics":{"cvssMetricV31":[{"source":"cve@gitlab.com","type":"Secondary","cvssData":{"version":"3.1","vectorString":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H","baseScore":6.4,"baseSeverity":"MEDIUM","attackVector":"PHYSICAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"HIGH","availabilityImpact":"HIGH"},"exploitabilityScore":0.9,"impactScore":5.5}],"ssvcV203":[{"source":"134c704f-9b21-4f2e-91b3-4a467353bcc0","ssvcData":{"timestamp":"2026-10-29T17:32:37.629664Z","id":"CVE-2026-102484","options":[{"exploitation":"none"},{"automatable":"no"},{"technicalImpact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}]},"configurations":[],"source":"nvd","retrieved_at":"2026-10-29T23:58:55.551867+00:00","exploited":false,"kev_stale":false,"products":[],"priority":{"label":"Assess exposure and vendor guidance","reasons":["No higher-priority signal is available in the current stored evidence."]},"epss":{"probability":0.00205,"percentile":0.10478,"date":"2026-10-29","stale":false},"version_assessment":null},"news":[],"campaigns":[],"domains":[{"domain":"gitlab.com","source_url":"https://gitlab.com/NTPsec/ntpsec/-/commit/62a454f6fcb6f2dcc8d5866f6558905ebdb7dd69","investigate_url":"https://investigate.aeglixmind.com/#gitlab.com"}],"arsenal_url":"https://arsenal.aeglixmind.com/?cve=CVE-2026-102484","catalog_url":"https://cves.aeglixmind.com/cve/CVE-2026-102484","research_url":"https://investigate.aeglixmind.com/research/cve/CVE-2026-102484","coverage":{"news_candidates_checked":0,"campaign_candidates_checked":0,"bounded":false,"notice":"Exact CVE mentions in stored public excerpts and reviewed campaign content only. A mention is not proof of exploitation, attribution or tool suitability. Missing matches do not establish absence."}}