FKIE_CVE-2026-1528

Vulnerability from fkie_nvd - Published: 2026-03-12 21:16 - Updated: 2026-03-20 15:41
Severity ?
7.5 (High) - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Summary
ImpactA server can reply with a WebSocket frame using the 64-bit length form and an extremely large length. undici's ByteParser overflows internal math, ends up in an invalid state, and throws a fatal TypeError that terminates the process. Patches Patched in the undici version v7.24.0 and v6.24.0. Users should upgrade to this version or later.
References
ce714d77-add3-4f53-aff5-83d477b104bbhttps://cna.openjsf.org/security-advisories.htmlVendor Advisory
ce714d77-add3-4f53-aff5-83d477b104bbhttps://github.com/nodejs/undici/security/advisories/GHSA-f269-vfmq-vjvjVendor Advisory
ce714d77-add3-4f53-aff5-83d477b104bbhttps://hackerone.com/reports/3537648Permissions Required
Impacted products
Vendor Product Version
nodejs undici *
nodejs undici *
To clipboard 

{
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:nodejs:undici:*:*:*:*:*:node.js:*:*",
              "matchCriteriaId": "C08CE582-019D-4A06-910A-6010C2D6EF4F",
              "versionEndExcluding": "6.24.0",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:nodejs:undici:*:*:*:*:*:node.js:*:*",
              "matchCriteriaId": "F016E7D9-C45A-4DEF-9AD8-F0581AF5E509",
              "versionEndExcluding": "7.24.0",
              "versionStartIncluding": "7.0.0",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "ImpactA server can reply with a WebSocket frame using the 64-bit length form and an extremely large length. undici\u0027s ByteParser overflows internal math, ends up in an invalid state, and throws a fatal TypeError that terminates the process.\n\nPatches\n\nPatched in the undici version v7.24.0 and v6.24.0. Users should upgrade to this version or later."
    },
    {
      "lang": "es",
      "value": "Impacto\nUn servidor puede responder con un marco WebSocket utilizando el formato de longitud de 64 bits y una longitud extremadamente grande. El ByteParser de undici desborda las operaciones matem\u00e1ticas internas, termina en un estado inv\u00e1lido y lanza un TypeError fatal que termina el proceso.\n\nParches\n\nParcheado en la versi\u00f3n v7.24.0 y v6.24.0 de undici. Los usuarios deben actualizar a esta versi\u00f3n o posterior."
    }
  ],
  "id": "CVE-2026-1528",
  "lastModified": "2026-03-20T15:41:40.110",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6,
        "source": "ce714d77-add3-4f53-aff5-83d477b104bb",
        "type": "Secondary"
      }
    ]
  },
  "published": "2026-03-12T21:16:25.330",
  "references": [
    {
      "source": "ce714d77-add3-4f53-aff5-83d477b104bb",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://cna.openjsf.org/security-advisories.html"
    },
    {
      "source": "ce714d77-add3-4f53-aff5-83d477b104bb",
      "tags": [
        "Vendor Advisory"
      ],
      "url": "https://github.com/nodejs/undici/security/advisories/GHSA-f269-vfmq-vjvj"
    },
    {
      "source": "ce714d77-add3-4f53-aff5-83d477b104bb",
      "tags": [
        "Permissions Required"
      ],
      "url": "https://hackerone.com/reports/3537648"
    }
  ],
  "sourceIdentifier": "ce714d77-add3-4f53-aff5-83d477b104bb",
  "vulnStatus": "Analyzed",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-248"
        },
        {
          "lang": "en",
          "value": "CWE-1284"
        }
      ],
      "source": "ce714d77-add3-4f53-aff5-83d477b104bb",
      "type": "Secondary"
    }
  ]
}


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