{
  "GSD": {
    "alias": "CVE-2023-0809",
    "id": "GSD-2023-0809"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2023-0809"
      ],
      "details": "In Mosquitto before 2.0.16, excessive memory is allocated based on malicious initial packets that are not CONNECT packets.",
      "id": "GSD-2023-0809",
      "modified": "2023-12-13T01:20:23.021547Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
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        "ID": "CVE-2023-0809",
        "STATE": "PUBLIC"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "Mosquitto",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_name": "0",
                          "version_value": "2.0.16"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "Eclipse"
            }
          ]
        }
      },
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "In Mosquitto before 2.0.16, excessive memory is allocated based on malicious initial packets that are not CONNECT packets."
          }
        ]
      },
      "generator": {
        "engine": "SecretariatVulnogram 0.1.0-dev"
      },
      "impact": {
        "cvss": [
          {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 5.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "NONE",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L",
            "version": "3.1"
          }
        ]
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "cweId": "CWE-789",
                "lang": "eng",
                "value": "CWE-789"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://mosquitto.org/blog/2023/08/version-2-0-16-released/",
            "refsource": "MISC",
            "url": "https://mosquitto.org/blog/2023/08/version-2-0-16-released/"
          },
          {
            "name": "https://security.gentoo.org/glsa/202401-09",
            "refsource": "MISC",
            "url": "https://security.gentoo.org/glsa/202401-09"
          }
        ]
      },
      "source": {
        "discovery": "UNKNOWN"
      }
    },
    "nvd.nist.gov": {
      "cve": {
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:eclipse:mosquitto:*:*:*:*:*:*:*:*",
                    "matchCriteriaId": "C744F41F-1469-4455-8C1C-B06373070721",
                    "versionEndExcluding": "2.0.16",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "descriptions": [
          {
            "lang": "en",
            "value": "In Mosquitto before 2.0.16, excessive memory is allocated based on malicious initial packets that are not CONNECT packets."
          },
          {
            "lang": "es",
            "value": "En Mosquitto anterior a 2.0.16, el exceso de memoria se asigna en funci\u00f3n de paquetes iniciales maliciosos que no son paquetes CONNECT."
          }
        ],
        "id": "CVE-2023-0809",
        "lastModified": "2024-01-07T10:15:08.310",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
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                "baseScore": 5.3,
                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L",
                "version": "3.1"
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              "impactScore": 1.4,
              "source": "nvd@nist.gov",
              "type": "Primary"
            },
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              "cvssData": {
                "attackComplexity": "LOW",
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                "baseSeverity": "MEDIUM",
                "confidentialityImpact": "NONE",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "CHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L",
                "version": "3.1"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 1.4,
              "source": "emo@eclipse.org",
              "type": "Secondary"
            }
          ]
        },
        "published": "2023-10-02T19:15:09.717",
        "references": [
          {
            "source": "emo@eclipse.org",
            "tags": [
              "Release Notes"
            ],
            "url": "https://mosquitto.org/blog/2023/08/version-2-0-16-released/"
          },
          {
            "source": "emo@eclipse.org",
            "url": "https://security.gentoo.org/glsa/202401-09"
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        "vulnStatus": "Modified",
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          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-770"
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            "source": "nvd@nist.gov",
            "type": "Primary"
          },
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                "value": "CWE-789"
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        ]
      }
    }
  }
}