{"id":"CVE-2026-102484","state":"PUBLISHED","title":"Heap-based Buffer Overflow in ntpsec","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.","publishedAt":"2026-10-21T15:03:46.313Z","updatedAt":"2026-10-29T20:57:05.091Z","severity":{"score":6.4,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H","source":"GitLab"},"assigner":"GitLab","products":["NTPsec ntpsec"],"affected":[{"vendor":"NTPsec","product":"ntpsec","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"1.2.6","versionType":"semver"}],"repo":"https://gitlab.com/NTPsec/ntpsec"}],"references":["https://gitlab.com/NTPsec/ntpsec/-/work_items/895","https://gitlab.com/NTPsec/ntpsec/-/commit/62a454f6fcb6f2dcc8d5866f6558905ebdb7dd69"],"weaknesses":["CWE-122"],"ingestedAt":"2026-10-29T23:14:04.755Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/102xxx/CVE-2026-102484.json","commit":"dc7676b3f67d6707e4927968546e7e0125ff7ec7","baselineCommit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-102484","state":"PUBLISHED","datePublished":"2026-10-21T15:03:46.313Z","dateUpdated":"2026-10-29T20:57:05.091Z","assignerShortName":"GitLab","assignerOrgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","dateReserved":"2026-09-29T09:30:08.025Z"},"containers":{"cna":{"title":"Heap-based Buffer Overflow in ntpsec","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"NTPsec","product":"ntpsec","defaultStatus":"unknown","versions":[{"version":"0","status":"affected","lessThan":"1.2.6","versionType":"semver"}],"repo":"https://gitlab.com/NTPsec/ntpsec"}],"references":[{"url":"https://gitlab.com/NTPsec/ntpsec/-/work_items/895"},{"url":"https://gitlab.com/NTPsec/ntpsec/-/commit/62a454f6fcb6f2dcc8d5866f6558905ebdb7dd69"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:P/AC:L/PR:N/UI:N/S:U/C:L/I:H/A:H","attackVector":"PHYSICAL","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":6.4,"baseSeverity":"MEDIUM"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-122","lang":"en","description":"CWE-122: Heap-based Buffer Overflow","type":"CWE"}]}],"providerMetadata":{"shortName":"GitLab","orgId":"ceab7361-8a18-47b1-92ba-4d7d25f6715a","dateUpdated":"2026-10-21T15:03:46.313Z"},"solutions":[{"lang":"en","value":"Upgrade to version 1.2.6"}],"credits":[{"lang":"en","value":"Tristan Madani","type":"finder"}]},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-10-29T17:32:37.629664Z","id":"CVE-2026-102484","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-10-29T20:57:05.091Z"}}]}}}