cve-2021-4235
Vulnerability from cvelistv5
Published
2022-12-27 21:13
Modified
2024-08-03 17:23
Severity ?
Summary
Denial of service in gopkg.in/yaml.v2
Show details on NVD website


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            "tags": [
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            "url": "https://github.com/go-yaml/yaml/pull/375"
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          {
            "tags": [
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            "url": "https://github.com/go-yaml/yaml/commit/bb4e33bf68bf89cad44d386192cbed201f35b241"
          },
          {
            "tags": [
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            ],
            "url": "https://pkg.go.dev/vuln/GO-2021-0061"
          },
          {
            "tags": [
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            "url": "https://lists.debian.org/debian-lts-announce/2023/07/msg00001.html"
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        ],
        "title": "CVE Program Container"
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    ],
    "cna": {
      "affected": [
        {
          "collectionURL": "https://pkg.go.dev",
          "defaultStatus": "unaffected",
          "packageName": "gopkg.in/yaml.v2",
          "product": "gopkg.in/yaml.v2",
          "programRoutines": [
            {
              "name": "decoder.unmarshal"
            },
            {
              "name": "Decoder.Decode"
            },
            {
              "name": "Unmarshal"
            },
            {
              "name": "UnmarshalStrict"
            }
          ],
          "vendor": "gopkg.in/yaml.v2",
          "versions": [
            {
              "lessThan": "2.2.3",
              "status": "affected",
              "version": "0",
              "versionType": "semver"
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          ]
        },
        {
          "collectionURL": "https://pkg.go.dev",
          "defaultStatus": "affected",
          "packageName": "github.com/go-yaml/yaml",
          "product": "github.com/go-yaml/yaml",
          "programRoutines": [
            {
              "name": "decoder.unmarshal"
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            {
              "name": "Decoder.Decode"
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            {
              "name": "Unmarshal"
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              "name": "UnmarshalStrict"
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          ],
          "vendor": "github.com/go-yaml/yaml"
        }
      ],
      "credits": [
        {
          "lang": "en",
          "value": "@simonferquel"
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Due to unbounded alias chasing, a maliciously crafted YAML file can cause the system to consume significant system resources. If parsing user input, this may be used as a denial of service vector."
        }
      ],
      "problemTypes": [
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          "descriptions": [
            {
              "description": "CWE 400: Uncontrolled Resource Consumption",
              "lang": "en"
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      "providerMetadata": {
        "dateUpdated": "2023-06-12T19:04:08.123Z",
        "orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
        "shortName": "Go"
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          "url": "https://github.com/go-yaml/yaml/pull/375"
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        {
          "url": "https://github.com/go-yaml/yaml/commit/bb4e33bf68bf89cad44d386192cbed201f35b241"
        },
        {
          "url": "https://pkg.go.dev/vuln/GO-2021-0061"
        },
        {
          "url": "https://lists.debian.org/debian-lts-announce/2023/07/msg00001.html"
        }
      ],
      "title": "Denial of service in gopkg.in/yaml.v2"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1bb62c36-49e3-4200-9d77-64a1400537cc",
    "assignerShortName": "Go",
    "cveId": "CVE-2021-4235",
    "datePublished": "2022-12-27T21:13:42.393Z",
    "dateReserved": "2022-07-29T18:56:20.415Z",
    "dateUpdated": "2024-08-03T17:23:09.096Z",
    "state": "PUBLISHED"
  },
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  "dataVersion": "5.1",
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  }
}


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