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CVE-2026-85024 undici vulnerable to Denial of Service via unhandled error in WebSocket permessage-deflate decompression

🗓️ 04 Sep 2026 16:20:34Reported by openjsType 
cvelist
 cvelist
🔗 www.cve.org👁 47 Views

Remote DoS in undici WebSocket via unhandled zlib error in permessage-deflate decompression.

Related
Affected
Refs
[
  {
    "vendor": "undici",
    "product": "undici",
    "defaultStatus": "unaffected",
    "versions": [
      {
        "versionType": "semver",
        "status": "affected",
        "version": "6.25.0",
        "lessThan": "6.28.1"
      },
      {
        "versionType": "semver",
        "status": "unaffected",
        "version": "6.28.1"
      },
      {
        "versionType": "semver",
        "status": "affected",
        "version": "7.28.0",
        "lessThan": "7.29.1"
      },
      {
        "versionType": "semver",
        "status": "unaffected",
        "version": "7.29.1"
      },
      {
        "versionType": "semver",
        "status": "affected",
        "version": "8.1.0",
        "lessThan": "8.10.2"
      },
      {
        "versionType": "semver",
        "status": "unaffected",
        "version": "8.10.2"
      }
    ],
    "packageURL": "pkg:npm/undici"
  }
]

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