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CVE-2026-69664

🗓️ 01 Sep 2026 14:59:03Reported by EEFType 
cve
 cve
🔗 web.nvd.nist.gov👁 38 Views🌐 WEB

Unauthenticated DoS in Erlang/OTP inets httpd via malformed chunk size after headers.

Related
Detection
Affected
Refs
Paths
Vulners
CNA
Node
OR
erlangerlang/otpRange18.1.4≥
erlangerlang/otpRange27.3.4.17≥
erlangerlang/otpRange28.5.0.6≥
erlangerlang/otpRange29.0.6≥
erlangerlang/otpRange6.0.3≥
erlangerlang/otpRange9.3.2.7≥
erlangerlang/otpRange9.6.2.3≥
erlangerlang/otpRange9.7.2≥
[
  {
    "cpes": [
      "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "http_chunk",
      "httpd_request_handler"
    ],
    "packageName": "otp",
    "packageURL": "pkg:software-id/erlang.org/otp",
    "product": "OTP",
    "programFiles": [
      "lib/inets/src/http_lib/http_chunk.erl",
      "lib/inets/src/http_server/httpd_request_handler.erl"
    ],
    "programRoutines": [
      {
        "name": "http_chunk:decode_size/4"
      },
      {
        "name": "httpd_request_handler:handle_info/2"
      },
      {
        "name": "httpd_request_handler:handle_body/3"
      }
    ],
    "vendor": "Erlang",
    "versions": [
      {
        "changes": [
          {
            "at": "27.3.4.17",
            "status": "unaffected"
          },
          {
            "at": "28.5.0.6",
            "status": "unaffected"
          },
          {
            "at": "29.0.6",
            "status": "unaffected"
          }
        ],
        "lessThan": "*",
        "status": "affected",
        "version": "18.1.4",
        "versionType": "otp"
      }
    ]
  },
  {
    "cpes": [
      "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "http_chunk",
      "httpd_request_handler"
    ],
    "packageName": "inets",
    "packageURL": "pkg:otp/inets",
    "product": "OTP",
    "programFiles": [
      "src/http_lib/http_chunk.erl",
      "src/http_server/httpd_request_handler.erl"
    ],
    "programRoutines": [
      {
        "name": "http_chunk:decode_size/4"
      },
      {
        "name": "httpd_request_handler:handle_info/2"
      },
      {
        "name": "httpd_request_handler:handle_body/3"
      }
    ],
    "repo": "https://github.com/erlang/otp",
    "vendor": "Erlang",
    "versions": [
      {
        "changes": [
          {
            "at": "9.3.2.7",
            "status": "unaffected"
          },
          {
            "at": "9.6.2.3",
            "status": "unaffected"
          },
          {
            "at": "9.7.2",
            "status": "unaffected"
          }
        ],
        "lessThan": "*",
        "status": "affected",
        "version": "6.0.3",
        "versionType": "otp"
      }
    ]
  },
  {
    "collectionURL": "https://github.com",
    "cpes": [
      "cpe:2.3:a:erlang:erlang\\/otp:*:*:*:*:*:*:*:*"
    ],
    "defaultStatus": "unaffected",
    "modules": [
      "http_chunk",
      "httpd_request_handler"
    ],
    "packageName": "erlang/otp",
    "packageURL": "pkg:github/erlang/otp",
    "product": "OTP",
    "programFiles": [
      "lib/inets/src/http_lib/http_chunk.erl",
      "lib/inets/src/http_server/httpd_request_handler.erl"
    ],
    "programRoutines": [
      {
        "name": "http_chunk:decode_size/4"
      },
      {
        "name": "httpd_request_handler:handle_info/2"
      },
      {
        "name": "httpd_request_handler:handle_body/3"
      }
    ],
    "repo": "https://github.com/erlang/otp",
    "vendor": "Erlang",
    "versions": [
      {
        "changes": [
          {
            "at": "a3adf63078438c86527d704e23282b7721d8ca12",
            "status": "unaffected"
          },
          {
            "at": "df1a9ca4666e2fdfc44886bfaae76de086d803f6",
            "status": "unaffected"
          },
          {
            "at": "bd4e74348c6be8a49f060da6fd48d43f3a960292",
            "status": "unaffected"
          }
        ],
        "lessThan": "*",
        "status": "affected",
        "version": "77acb473d8f056f6f534395f131c6e45693797f0",
        "versionType": "git"
      }
    ]
  }
]
ParameterPositionPathDescriptionCWE
chunked bodyrequest body/An unauthenticated remote attacker can cause a Denial of Service (DoS) by sending a chunked request body where the chunk-size line is not a hexadecimal number. This causes the worker process to hang indefinitely as it waits for data that will never arrive.CWE-772

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22 Sep 2026 10:17Current
6Medium risk
Vulners AI Score6
CVSS 48.7
EPSS0.00949
SSVC
38