{
  "document": {
    "category": "csaf_vex",
    "csaf_version": "2.0",
    "distribution": {
      "text": "TuxCare License Agreement",
      "tlp": {
        "label": "WHITE",
        "url": "https://www.first.org/tlp/"
      }
    },
    "lang": "en",
    "notes": [
      {
        "category": "legal_disclaimer",
        "text": "This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Cloud Linux Inc. and provide a link to the original.",
        "title": "Terms of Use"
      }
    ],
    "publisher": {
      "category": "vendor",
      "contact_details": "https://tuxcare.com/contact/",
      "name": "TuxCare",
      "namespace": "https://tuxcare.com/"
    },
    "references": [
      {
        "category": "self",
        "summary": "Canonical URL",
        "url": "https://security.tuxcare.com/csaf/v2/els_os/ubuntu18.04els/vex/2026/cve-2026-9753-els_os-ubuntu18_04els.json"
      }
    ],
    "tracking": {
      "current_release_date": "2026-07-14T00:24:45Z",
      "generator": {
        "date": "2026-07-14T00:24:44Z",
        "engine": {
          "name": "pyCSAF"
        }
      },
      "id": "CVE-2026-9753-ELS_OS-UBUNTU18.04ELS",
      "initial_release_date": "2026-06-09T23:17:00Z",
      "revision_history": [
        {
          "date": "2026-06-09T23:17:00Z",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2026-07-09T19:43:57Z",
          "number": "2",
          "summary": "Official Publication"
        },
        {
          "date": "2026-07-14T00:24:45Z",
          "number": "3",
          "summary": "Update document"
        }
      ],
      "status": "final",
      "version": "3"
    },
    "title": "Security update on CVE-2026-9753"
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Ubuntu 18.04",
                "product": {
                  "name": "Ubuntu 18.04",
                  "product_id": "Ubuntu-18",
                  "product_identification_helper": {
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                }
              }
            ],
            "category": "product_family",
            "name": "Ubuntu"
          }
        ],
        "category": "vendor",
        "name": "Canonical Ltd."
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "mongodb-1:3.6.3-0ubuntu1.4+tuxcare.els1.amd64",
                "product": {
                  "name": "mongodb-1:3.6.3-0ubuntu1.4+tuxcare.els1.amd64",
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                "category": "product_version",
                "name": "mongodb-clients-1:3.6.3-0ubuntu1.4+tuxcare.els1.amd64",
                "product": {
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              {
                "category": "product_version",
                "name": "mongodb-server-core-1:3.6.3-0ubuntu1.4+tuxcare.els1.amd64",
                "product": {
                  "name": "mongodb-server-core-1:3.6.3-0ubuntu1.4+tuxcare.els1.amd64",
                  "product_id": "mongodb-server-core-1:3.6.3-0ubuntu1.4+tuxcare.els1.amd64",
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            "name": "amd64"
          },
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                "name": "mongodb-server-1:3.6.3-0ubuntu1.4+tuxcare.els1.all",
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                    "purl": "pkg:deb/cloudlinux/mongodb-server@1:3.6.3-0ubuntu1.4%2Btuxcare.els1?arch=all"
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                }
              }
            ],
            "category": "architecture",
            "name": "all"
          }
        ],
        "category": "vendor",
        "name": "CloudLinux"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "mongodb-1:3.6.3-0ubuntu1.4+tuxcare.els1.amd64 as a component of Ubuntu 18.04",
          "product_id": "Ubuntu-18:mongodb-1:3.6.3-0ubuntu1.4+tuxcare.els1.amd64"
        },
        "product_reference": "mongodb-1:3.6.3-0ubuntu1.4+tuxcare.els1.amd64",
        "relates_to_product_reference": "Ubuntu-18"
      },
      {
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        "full_product_name": {
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        "relates_to_product_reference": "Ubuntu-18"
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      {
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        "full_product_name": {
          "name": "mongodb-server-core-1:3.6.3-0ubuntu1.4+tuxcare.els1.amd64 as a component of Ubuntu 18.04",
          "product_id": "Ubuntu-18:mongodb-server-core-1:3.6.3-0ubuntu1.4+tuxcare.els1.amd64"
        },
        "product_reference": "mongodb-server-core-1:3.6.3-0ubuntu1.4+tuxcare.els1.amd64",
        "relates_to_product_reference": "Ubuntu-18"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "mongodb-server-1:3.6.3-0ubuntu1.4+tuxcare.els1.all as a component of Ubuntu 18.04",
          "product_id": "Ubuntu-18:mongodb-server-1:3.6.3-0ubuntu1.4+tuxcare.els1.all"
        },
        "product_reference": "mongodb-server-1:3.6.3-0ubuntu1.4+tuxcare.els1.all",
        "relates_to_product_reference": "Ubuntu-18"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-9753",
      "cwe": {
        "id": "CWE-1287",
        "name": "Improper Validation of Specified Type of Input"
      },
      "notes": [
        {
          "category": "description",
          "text": "The $_internalApplyOplogUpdate aggregation pipeline stage can be used to execute a document diff containing a malformed binary diff to return memory out-of-bounds or crash the server. $_internalApplyOplogUpdate can be executed by any authenticated user with access to the aggregate command.",
          "title": "Vulnerability description"
        },
        {
          "category": "other",
          "text": "TuxCare has assessed that this vulnerability does not impact any currently supported TuxCare products. This evaluation may change as new information becomes available. For additional details regarding this vulnerability and affected products, refer to the provided references.",
          "title": "Statement"
        }
      ],
      "product_status": {
        "known_not_affected": [
          "Ubuntu-18:mongodb-1:3.6.3-0ubuntu1.4+tuxcare.els1.amd64",
          "Ubuntu-18:mongodb-clients-1:3.6.3-0ubuntu1.4+tuxcare.els1.amd64",
          "Ubuntu-18:mongodb-server-1:3.6.3-0ubuntu1.4+tuxcare.els1.all",
          "Ubuntu-18:mongodb-server-core-1:3.6.3-0ubuntu1.4+tuxcare.els1.amd64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2026-9753"
        },
        {
          "category": "external",
          "summary": "https://jira.mongodb.org/browse/SERVER-124959",
          "url": "https://jira.mongodb.org/browse/SERVER-124959"
        }
      ],
      "release_date": "2026-06-09T23:17:00Z",
      "threats": [
        {
          "category": "impact",
          "details": "Moderate"
        },
        {
          "category": "impact",
          "date": "2026-07-13T23:04:35.088200Z",
          "details": "unknown",
          "product_ids": [
            "Ubuntu-18:mongodb-1:3.6.3-0ubuntu1.4+tuxcare.els1.amd64",
            "Ubuntu-18:mongodb-clients-1:3.6.3-0ubuntu1.4+tuxcare.els1.amd64",
            "Ubuntu-18:mongodb-server-1:3.6.3-0ubuntu1.4+tuxcare.els1.all",
            "Ubuntu-18:mongodb-server-core-1:3.6.3-0ubuntu1.4+tuxcare.els1.amd64"
          ]
        }
      ]
    }
  ]
}