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CVE-2026-21717

🗓️ 30 Mar 2026 19:07:28Reported by hackeroneType 
cvelist
 cvelist
🔗 www.cve.org👁 16 Views

V8 hashing hashes integer-like strings as numbers, enabling collisions and DoS in Node.js 20.x–25.x via JSON parse.

Related
Affected
Refs
[
  {
    "defaultStatus": "unaffected",
    "vendor": "nodejs",
    "product": "node",
    "versions": [
      {
        "version": "20.20.1",
        "status": "affected",
        "lessThanOrEqual": "20.20.1",
        "versionType": "semver"
      },
      {
        "version": "22.22.1",
        "status": "affected",
        "lessThanOrEqual": "22.22.1",
        "versionType": "semver"
      },
      {
        "version": "24.14.0",
        "status": "affected",
        "lessThanOrEqual": "24.14.0",
        "versionType": "semver"
      },
      {
        "version": "25.8.1",
        "status": "affected",
        "lessThanOrEqual": "25.8.1",
        "versionType": "semver"
      },
      {
        "version": "4.0",
        "status": "affected",
        "lessThan": "4.*",
        "versionType": "semver"
      },
      {
        "version": "5.0",
        "status": "affected",
        "lessThan": "5.*",
        "versionType": "semver"
      },
      {
        "version": "6.0",
        "status": "affected",
        "lessThan": "6.*",
        "versionType": "semver"
      },
      {
        "version": "7.0",
        "status": "affected",
        "lessThan": "7.*",
        "versionType": "semver"
      },
      {
        "version": "8.0",
        "status": "affected",
        "lessThan": "8.*",
        "versionType": "semver"
      },
      {
        "version": "9.0",
        "status": "affected",
        "lessThan": "9.*",
        "versionType": "semver"
      },
      {
        "version": "10.0",
        "status": "affected",
        "lessThan": "10.*",
        "versionType": "semver"
      },
      {
        "version": "11.0",
        "status": "affected",
        "lessThan": "11.*",
        "versionType": "semver"
      },
      {
        "version": "12.0",
        "status": "affected",
        "lessThan": "12.*",
        "versionType": "semver"
      },
      {
        "version": "13.0",
        "status": "affected",
        "lessThan": "13.*",
        "versionType": "semver"
      },
      {
        "version": "14.0",
        "status": "affected",
        "lessThan": "14.*",
        "versionType": "semver"
      },
      {
        "version": "15.0",
        "status": "affected",
        "lessThan": "15.*",
        "versionType": "semver"
      },
      {
        "version": "16.0",
        "status": "affected",
        "lessThan": "16.*",
        "versionType": "semver"
      },
      {
        "version": "17.0",
        "status": "affected",
        "lessThan": "17.*",
        "versionType": "semver"
      },
      {
        "version": "18.0",
        "status": "affected",
        "lessThan": "18.*",
        "versionType": "semver"
      },
      {
        "version": "19.0",
        "status": "affected",
        "lessThan": "19.*",
        "versionType": "semver"
      }
    ]
  }
]

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