{
  "id": "CVE-2021-25289",
  "sourceIdentifier": "cve@mitre.org",
  "published": "2021-03-19T04:15:13.280",
  "lastModified": "2021-12-01T17:03:49.530",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "An issue was discovered in Pillow before 8.1.1. TiffDecode has a heap-based buffer overflow when decoding crafted YCbCr files because of certain interpretation conflicts with LibTIFF in RGBA mode. NOTE: this issue exists because of an incomplete fix for CVE-2020-35654."
    },
    {
      "lang": "es",
      "value": "Se detect\u00f3 un problema en Pillow versiones anteriores a 8.1.1. La funci\u00f3n TiffDecode presenta un desbordamiento de b\u00fafer en la regi\u00f3n heap de la memoria cuando se decodifican archivos YCbCr dise\u00f1ados debido a determinados conflictos de interpretaci\u00f3n con LibTIFF en el modo RGBA. NOTA: este problema se presenta debido a una correcci\u00f3n incompleta para CVE-2020-35654"
    }
  ],
  "metrics": {
    "cvssMetricV31": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "availabilityImpact": "HIGH",
          "baseScore": 9.8,
          "baseSeverity": "CRITICAL"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 5.9
      }
    ],
    "cvssMetricV2": [
      {
        "source": "nvd@nist.gov",
        "type": "Primary",
        "cvssData": {
          "version": "2.0",
          "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "PARTIAL",
          "integrityImpact": "PARTIAL",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5
        },
        "baseSeverity": "HIGH",
        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
    {
      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-787"
        }
      ]
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "operator": "OR",
          "negate": false,
          "cpeMatch": [
            {
              "vulnerable": true,
              "criteria": "cpe:2.3:a:python:pillow:*:*:*:*:*:*:*:*",
              "versionEndExcluding": "8.1.1",
              "matchCriteriaId": "0EAEBE97-889C-4137-92C1-F832F605B041"
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  "references": [
    {
      "url": "https://pillow.readthedocs.io/en/stable/releasenotes/8.1.1.html",
      "source": "cve@mitre.org",
      "tags": [
        "Release Notes",
        "Vendor Advisory"
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    },
    {
      "url": "https://security.gentoo.org/glsa/202107-33",
      "source": "cve@mitre.org",
      "tags": [
        "Third Party Advisory"
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    }
  ]
}