nvd-json-data-feeds/CVE-2021/CVE-2021-202xx/CVE-2021-20270.json

{
  "id": "CVE-2021-20270",
  "sourceIdentifier": "secalert@redhat.com",
  "published": "2021-03-23T17:15:13.827",
  "lastModified": "2021-12-10T17:04:10.437",
  "vulnStatus": "Analyzed",
  "descriptions": [
    {
      "lang": "en",
      "value": "An infinite loop in SMLLexer in Pygments versions 1.5 to 2.7.3 may lead to denial of service when performing syntax highlighting of a Standard ML (SML) source file, as demonstrated by input that only contains the \"exception\" keyword."
    },
    {
      "lang": "es",
      "value": "Un bucle infinito en SMLLexer en Pygments versiones 1.5 hasta 2.7.3, puede conllevar a una denegaci\u00f3n de servicio cuando se lleva a cabo el resaltado de sintaxis de un archivo fuente de Standard ML (SML), como es demostrado por la entrada que solo contiene la palabra clave \"exception\""
    }
  ],
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        "source": "nvd@nist.gov",
        "type": "Primary",
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          "version": "3.1",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",
          "attackVector": "NETWORK",
          "attackComplexity": "LOW",
          "privilegesRequired": "NONE",
          "userInteraction": "NONE",
          "scope": "UNCHANGED",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "HIGH",
          "baseScore": 7.5,
          "baseSeverity": "HIGH"
        },
        "exploitabilityScore": 3.9,
        "impactScore": 3.6
      }
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          "vectorString": "AV:N/AC:L/Au:N/C:N/I:N/A:P",
          "accessVector": "NETWORK",
          "accessComplexity": "LOW",
          "authentication": "NONE",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 5.0
        },
        "baseSeverity": "MEDIUM",
        "exploitabilityScore": 10.0,
        "impactScore": 2.9,
        "acInsufInfo": false,
        "obtainAllPrivilege": false,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
      }
    ]
  },
  "weaknesses": [
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      "source": "nvd@nist.gov",
      "type": "Primary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-835"
        }
      ]
    },
    {
      "source": "secalert@redhat.com",
      "type": "Secondary",
      "description": [
        {
          "lang": "en",
          "value": "CWE-835"
        }
      ]
    }
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  "references": [
    {
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=1922136",
      "source": "secalert@redhat.com",
      "tags": [
        "Issue Tracking",
        "Patch",
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://lists.debian.org/debian-lts-announce/2021/05/msg00003.html",
      "source": "secalert@redhat.com",
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      "source": "secalert@redhat.com",
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    {
      "url": "https://www.debian.org/security/2021/dsa-4889",
      "source": "secalert@redhat.com",
      "tags": [
        "Third Party Advisory"
      ]
    },
    {
      "url": "https://www.oracle.com/security-alerts/cpuoct2021.html",
      "source": "secalert@redhat.com",
      "tags": [
        "Not Applicable",
        "Third Party Advisory"
      ]
    }
  ]
}