{
  "affected": [
    {
      "ecosystem_specific": {},
      "package": {
        "ecosystem": "Alpine:v3.24",
        "name": "ntpsec",
        "purl": "pkg:apk/alpine/ntpsec?arch=source"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.2.5-r0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "Buffer overflow in NTPsec's Zyfer refclock allows local attacker to crash ntpd",
  "id": "ALPINE-CVE-2026-18321",
  "modified": "2026-11-03T06:18:00.784282028Z",
  "published": "2026-07-31T19:17:08.183Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://security.alpinelinux.org/vuln/CVE-2026-18321"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "upstream": [
    "CVE-2026-18321"
  ]
}