{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2026-1678",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2026-1678",
    "idYear": 2026,
    "status": "PUBLISHED",
    "publishedAt": "2026-03-05T06:21:36.907Z",
    "updatedAt": "2026-10-15T22:10:22.460Z",
    "importedAt": "2026-10-24T01:57:55.771Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": "dns: memory‑safety issue in the DNS name parser",
      "summary": "dns_unpack_name() caches the buffer tailroom once and reuses it while appending DNS labels. As the buffer grows, the cached size becomes incorrect, and the final null terminator can be written past the buffer. With assertions disabled (default), a malicious DNS response can trigger an out-of-bounds write when CONFIG_DNS_RESOLVER is enabled.",
      "affected": [
        {
          "vendor": "zephyrproject-rtos",
          "product": "Zephyr",
          "packageName": "Zephyr",
          "defaultStatus": "unaffected",
          "versions": [
            {
              "version": "*",
              "status": "affected",
              "versionType": "git",
              "lessThan": "3.7.2"
            },
            {
              "version": "4.0.0",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4.2.2"
            },
            {
              "version": "4.3.0",
              "status": "affected",
              "versionType": "git",
              "lessThan": "4.3.1"
            }
          ]
        }
      ]
    }
  }
}