BREW-TRAVIS-CVE-2018-16470 (GHSA-HG78-4F6X-99WQ)

Vulnerability from osv_homebrew – Published: 2026-08-13 17:44 – Updated: 2026-08-13 17:44 – Source website
VLAI
Summary
Rack vulnerable to Denial of Service
Details

There is a possible DoS vulnerability in the multipart parser in Rack before 2.0.6. Specially crafted requests can cause the multipart parser to enter a pathological state, causing the parser to use CPU resources disproportionate to the request size.

Severity
7.5 (High)
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "fix": "bump",
        "range_state": "fixed",
        "resource": "rack",
        "resource_purl": "pkg:gem/rack@3.0.11",
        "upstream_fixed_in": "2.0.6"
      },
      "package": {
        "ecosystem": "Homebrew",
        "name": "travis",
        "purl": "pkg:brew/travis"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.14.0_2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "database_specific": {
    "confidence": "high",
    "source": "matched",
    "strategy": "registry",
    "upstream_evidence": [
      {
        "ecosystem": "RubyGems",
        "key": "pkg:gem/rack@3.0.11",
        "name": "rack",
        "resource": "rack",
        "strategy": "registry",
        "subject_version": "3.0.11"
      }
    ]
  },
  "details": "There is a possible DoS vulnerability in the multipart parser in Rack before 2.0.6. Specially crafted requests can cause the multipart parser to enter a pathological state, causing the parser to use CPU resources disproportionate to the request size.",
  "id": "BREW-travis-CVE-2018-16470",
  "modified": "2026-08-13T17:44:53Z",
  "published": "2026-08-13T17:44:53Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2018-16470"
    },
    {
      "type": "WEB",
      "url": "https://access.redhat.com/errata/RHSA-2019:3172"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/rack/rack"
    },
    {
      "type": "WEB",
      "url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rack/CVE-2018-16470.yml"
    },
    {
      "type": "WEB",
      "url": "https://groups.google.com/forum/#!msg/rubyonrails-security/U_x-YkfuVTg/xhvYAmp6AAAJ"
    },
    {
      "type": "WEB",
      "url": "https://groups.google.com/forum/#!topic/ruby-security-ann/Dz4sRl-ktKk"
    }
  ],
  "schema_version": "1.7.3",
  "severity": [
    {
      "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Rack vulnerable to Denial of Service",
  "upstream": [
    "GHSA-hg78-4f6x-99wq",
    "CVE-2018-16470"
  ]
}



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