{"id":"CVE-2026-102484","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-102484","generatedAt":"2026-10-28T01:46:55.835Z","title":"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.","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":"2026-10-21T16:17:14.000Z","lastModified":"2026-10-22T16:18:19.000Z","status":"Awaiting Analysis","sourceIdentifier":"cve@gitlab.com","cvss":{"version":"3.1","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"},"cwe":["CWE-122"],"affected":[],"epss":{"score":0.00205,"percentile":0.10365,"date":"2026-10-26","history":[{"date":"2026-10-22","score":0.00264,"percentile":0.17366}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.21%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-21T16:17:14.000Z","detail":{"score":"6.4","severity":"MEDIUM","publishedAt":"2026-10-21T16:17:14.043Z"},"summary":"New CVE, medium severity (CVSS 6.4)."}],"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"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-102484","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}