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Vulnerability from cleanstart
Published
2026-09-10 01:32
Modified
2026-09-09 09:35
Summary
ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label
Details

Multiple security vulnerabilities affect the kubernetes-dns-node-cache package. The ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label. See references for individual vulnerability details.

References
https://github.com/cleanstart-dev/cleanstart-secu… ADVISORY
https://osv.dev/vulnerability/CVE-2024-53259 WEB
https://osv.dev/vulnerability/CVE-2025-47950 WEB
https://osv.dev/vulnerability/CVE-2025-58063 WEB
https://osv.dev/vulnerability/CVE-2025-59530 WEB
https://osv.dev/vulnerability/CVE-2025-64702 WEB
https://osv.dev/vulnerability/CVE-2025-68151 WEB
https://osv.dev/vulnerability/CVE-2026-26017 WEB
https://osv.dev/vulnerability/CVE-2026-26018 WEB
https://osv.dev/vulnerability/CVE-2026-32934 WEB
https://osv.dev/vulnerability/CVE-2026-32936 WEB
https://osv.dev/vulnerability/CVE-2026-33190 WEB
https://osv.dev/vulnerability/CVE-2026-33489 WEB
https://osv.dev/vulnerability/CVE-2026-33818 WEB
https://osv.dev/vulnerability/CVE-2026-35579 WEB
https://osv.dev/vulnerability/CVE-2026-39821 WEB
https://osv.dev/vulnerability/CVE-2026-39822 WEB
https://osv.dev/vulnerability/CVE-2026-40898 WEB
https://osv.dev/vulnerability/CVE-2026-42504 WEB
https://osv.dev/vulnerability/CVE-2026-42505 WEB
https://osv.dev/vulnerability/CVE-2026-46600 WEB
https://osv.dev/vulnerability/CVE-2026-56852 WEB
https://osv.dev/vulnerability/CVE-2026-56853 WEB
https://osv.dev/vulnerability/CVE-2026-56858 WEB
https://osv.dev/vulnerability/CVE-2026-56859 WEB
https://osv.dev/vulnerability/CVE-2026-56860 WEB
https://osv.dev/vulnerability/CVE-2026-56862 WEB
https://osv.dev/vulnerability/CVE-2026-56864 WEB
https://osv.dev/vulnerability/CVE-2026-56865 WEB
https://osv.dev/vulnerability/ghsa-259r-337f-4rfw WEB
https://osv.dev/vulnerability/ghsa-hrxh-6v49-42gf WEB
https://nvd.nist.gov/vuln/detail/CVE-2024-53259 WEB
https://nvd.nist.gov/vuln/detail/CVE-2025-47950 WEB
https://nvd.nist.gov/vuln/detail/CVE-2025-58063 WEB
https://nvd.nist.gov/vuln/detail/CVE-2025-59530 WEB
https://nvd.nist.gov/vuln/detail/CVE-2025-64702 WEB
https://nvd.nist.gov/vuln/detail/CVE-2025-68151 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-26017 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-26018 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-32934 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-32936 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-33190 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-33489 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-33818 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-35579 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-39821 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-39822 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-40898 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-42504 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-42505 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-46600 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-56852 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-56853 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-56858 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-56859 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-56860 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-56862 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-56864 WEB
https://nvd.nist.gov/vuln/detail/CVE-2026-56865 WEB

{
  "affected": [
    {
      "package": {
        "ecosystem": "CleanStart",
        "name": "kubernetes-dns-node-cache"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.26.8-r5"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "credits": [],
  "database_specific": {},
  "details": "Multiple security vulnerabilities affect the kubernetes-dns-node-cache package. The ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label. See references for individual vulnerability details.",
  "id": "CLEANSTART-2026-ZI93173",
  "modified": "2026-09-09T09:35:46Z",
  "published": "2026-09-10T01:32:39.433553Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-ZI93173.json"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2024-53259"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2025-47950"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2025-58063"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2025-59530"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2025-64702"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2025-68151"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-26017"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-26018"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-32934"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-32936"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-33190"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-33489"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-33818"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-35579"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-39821"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-39822"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-40898"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-42504"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-42505"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-46600"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-56852"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-56853"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-56858"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-56859"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-56860"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-56862"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-56864"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/CVE-2026-56865"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/ghsa-259r-337f-4rfw"
    },
    {
      "type": "WEB",
      "url": "https://osv.dev/vulnerability/ghsa-hrxh-6v49-42gf"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2024-53259"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-47950"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-58063"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-59530"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-64702"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2025-68151"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-26017"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-26018"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-32934"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-32936"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33190"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33489"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-33818"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-35579"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39821"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-39822"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-40898"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42504"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-42505"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-46600"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56852"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56853"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56858"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56859"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56860"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56862"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56864"
    },
    {
      "type": "WEB",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-56865"
    }
  ],
  "related": [],
  "schema_version": "1.7.3",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "ToASCII and ToUnicode functions incorrectly accept Punycode-encoded labels that decode to an ASCII-only label",
  "upstream": [
    "CVE-2024-53259",
    "CVE-2025-47950",
    "CVE-2025-58063",
    "CVE-2025-59530",
    "CVE-2025-64702",
    "CVE-2025-68151",
    "CVE-2026-26017",
    "CVE-2026-26018",
    "CVE-2026-32934",
    "CVE-2026-32936",
    "CVE-2026-33190",
    "CVE-2026-33489",
    "CVE-2026-33818",
    "CVE-2026-35579",
    "CVE-2026-39821",
    "CVE-2026-39822",
    "CVE-2026-40898",
    "CVE-2026-42504",
    "CVE-2026-42505",
    "CVE-2026-46600",
    "CVE-2026-56852",
    "CVE-2026-56853",
    "CVE-2026-56858",
    "CVE-2026-56859",
    "CVE-2026-56860",
    "CVE-2026-56862",
    "CVE-2026-56864",
    "CVE-2026-56865",
    "ghsa-259r-337f-4rfw",
    "ghsa-hrxh-6v49-42gf"
  ]
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

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Detection rules are retrieved from Rulezet.

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