{
  "document": {
    "aggregate_severity": {
      "text": "High"
    },
    "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/oraclelinux6els/vex/2026/cve-2026-80225-els_os-oraclelinux6els.json"
      }
    ],
    "tracking": {
      "current_release_date": "2026-11-03T12:55:54Z",
      "generator": {
        "date": "2026-11-03T12:55:54Z",
        "engine": {
          "name": "pyCSAF"
        }
      },
      "id": "CVE-2026-80225-ELS_OS-ORACLELINUX6ELS",
      "initial_release_date": "2026-09-16T09:17:00Z",
      "revision_history": [
        {
          "date": "2026-09-16T09:17:00Z",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2026-10-28T11:32:51Z",
          "number": "2",
          "summary": "Official Publication"
        },
        {
          "date": "2026-11-03T12:55:54Z",
          "number": "3",
          "summary": "Update document"
        }
      ],
      "status": "final",
      "version": "3"
    },
    "title": "Security update on CVE-2026-80225"
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Oracle Linux 6",
                "product": {
                  "name": "Oracle Linux 6",
                  "product_id": "Oracle-Linux-6",
                  "product_identification_helper": {
                    "cpe": "cpe:2.3:o:oracle:linux:6:*:*:*:*:*:*:*"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Oracle Linux"
          }
        ],
        "category": "vendor",
        "name": "Oracle Corporation"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "unbound-0:1.4.20-29.el6_10.1.tuxcare.els2.i686",
                "product": {
                  "name": "unbound-0:1.4.20-29.el6_10.1.tuxcare.els2.i686",
                  "product_id": "unbound-0:1.4.20-29.el6_10.1.tuxcare.els2.i686",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/cloudlinux/unbound@1.4.20-29.el6_10.1.tuxcare.els2?arch=i686"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "unbound-libs-0:1.4.20-29.el6_10.1.tuxcare.els2.i686",
                "product": {
                  "name": "unbound-libs-0:1.4.20-29.el6_10.1.tuxcare.els2.i686",
                  "product_id": "unbound-libs-0:1.4.20-29.el6_10.1.tuxcare.els2.i686",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/cloudlinux/unbound-libs@1.4.20-29.el6_10.1.tuxcare.els2?arch=i686"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "unbound-devel-0:1.4.20-29.el6_10.1.tuxcare.els2.i686",
                "product": {
                  "name": "unbound-devel-0:1.4.20-29.el6_10.1.tuxcare.els2.i686",
                  "product_id": "unbound-devel-0:1.4.20-29.el6_10.1.tuxcare.els2.i686",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/cloudlinux/unbound-devel@1.4.20-29.el6_10.1.tuxcare.els2?arch=i686"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "unbound-python-0:1.4.20-29.el6_10.1.tuxcare.els2.i686",
                "product": {
                  "name": "unbound-python-0:1.4.20-29.el6_10.1.tuxcare.els2.i686",
                  "product_id": "unbound-python-0:1.4.20-29.el6_10.1.tuxcare.els2.i686",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/cloudlinux/unbound-python@1.4.20-29.el6_10.1.tuxcare.els2?arch=i686"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "i686"
          },
          {
            "branches": [
              {
                "category": "product_version",
                "name": "unbound-0:1.4.20-29.el6_10.1.tuxcare.els2.x86_64",
                "product": {
                  "name": "unbound-0:1.4.20-29.el6_10.1.tuxcare.els2.x86_64",
                  "product_id": "unbound-0:1.4.20-29.el6_10.1.tuxcare.els2.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/cloudlinux/unbound@1.4.20-29.el6_10.1.tuxcare.els2?arch=x86_64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "unbound-libs-0:1.4.20-29.el6_10.1.tuxcare.els2.x86_64",
                "product": {
                  "name": "unbound-libs-0:1.4.20-29.el6_10.1.tuxcare.els2.x86_64",
                  "product_id": "unbound-libs-0:1.4.20-29.el6_10.1.tuxcare.els2.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/cloudlinux/unbound-libs@1.4.20-29.el6_10.1.tuxcare.els2?arch=x86_64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "unbound-devel-0:1.4.20-29.el6_10.1.tuxcare.els2.x86_64",
                "product": {
                  "name": "unbound-devel-0:1.4.20-29.el6_10.1.tuxcare.els2.x86_64",
                  "product_id": "unbound-devel-0:1.4.20-29.el6_10.1.tuxcare.els2.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/cloudlinux/unbound-devel@1.4.20-29.el6_10.1.tuxcare.els2?arch=x86_64"
                  }
                }
              },
              {
                "category": "product_version",
                "name": "unbound-python-0:1.4.20-29.el6_10.1.tuxcare.els2.x86_64",
                "product": {
                  "name": "unbound-python-0:1.4.20-29.el6_10.1.tuxcare.els2.x86_64",
                  "product_id": "unbound-python-0:1.4.20-29.el6_10.1.tuxcare.els2.x86_64",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/cloudlinux/unbound-python@1.4.20-29.el6_10.1.tuxcare.els2?arch=x86_64"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "x86_64"
          }
        ],
        "category": "vendor",
        "name": "CloudLinux"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "unbound-0:1.4.20-29.el6_10.1.tuxcare.els2.i686 as a component of Oracle Linux 6",
          "product_id": "Oracle-Linux-6:unbound-0:1.4.20-29.el6_10.1.tuxcare.els2.i686"
        },
        "product_reference": "unbound-0:1.4.20-29.el6_10.1.tuxcare.els2.i686",
        "relates_to_product_reference": "Oracle-Linux-6"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "unbound-0:1.4.20-29.el6_10.1.tuxcare.els2.x86_64 as a component of Oracle Linux 6",
          "product_id": "Oracle-Linux-6:unbound-0:1.4.20-29.el6_10.1.tuxcare.els2.x86_64"
        },
        "product_reference": "unbound-0:1.4.20-29.el6_10.1.tuxcare.els2.x86_64",
        "relates_to_product_reference": "Oracle-Linux-6"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "unbound-libs-0:1.4.20-29.el6_10.1.tuxcare.els2.x86_64 as a component of Oracle Linux 6",
          "product_id": "Oracle-Linux-6:unbound-libs-0:1.4.20-29.el6_10.1.tuxcare.els2.x86_64"
        },
        "product_reference": "unbound-libs-0:1.4.20-29.el6_10.1.tuxcare.els2.x86_64",
        "relates_to_product_reference": "Oracle-Linux-6"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "unbound-libs-0:1.4.20-29.el6_10.1.tuxcare.els2.i686 as a component of Oracle Linux 6",
          "product_id": "Oracle-Linux-6:unbound-libs-0:1.4.20-29.el6_10.1.tuxcare.els2.i686"
        },
        "product_reference": "unbound-libs-0:1.4.20-29.el6_10.1.tuxcare.els2.i686",
        "relates_to_product_reference": "Oracle-Linux-6"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "unbound-devel-0:1.4.20-29.el6_10.1.tuxcare.els2.i686 as a component of Oracle Linux 6",
          "product_id": "Oracle-Linux-6:unbound-devel-0:1.4.20-29.el6_10.1.tuxcare.els2.i686"
        },
        "product_reference": "unbound-devel-0:1.4.20-29.el6_10.1.tuxcare.els2.i686",
        "relates_to_product_reference": "Oracle-Linux-6"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "unbound-devel-0:1.4.20-29.el6_10.1.tuxcare.els2.x86_64 as a component of Oracle Linux 6",
          "product_id": "Oracle-Linux-6:unbound-devel-0:1.4.20-29.el6_10.1.tuxcare.els2.x86_64"
        },
        "product_reference": "unbound-devel-0:1.4.20-29.el6_10.1.tuxcare.els2.x86_64",
        "relates_to_product_reference": "Oracle-Linux-6"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "unbound-python-0:1.4.20-29.el6_10.1.tuxcare.els2.x86_64 as a component of Oracle Linux 6",
          "product_id": "Oracle-Linux-6:unbound-python-0:1.4.20-29.el6_10.1.tuxcare.els2.x86_64"
        },
        "product_reference": "unbound-python-0:1.4.20-29.el6_10.1.tuxcare.els2.x86_64",
        "relates_to_product_reference": "Oracle-Linux-6"
      },
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "unbound-python-0:1.4.20-29.el6_10.1.tuxcare.els2.i686 as a component of Oracle Linux 6",
          "product_id": "Oracle-Linux-6:unbound-python-0:1.4.20-29.el6_10.1.tuxcare.els2.i686"
        },
        "product_reference": "unbound-python-0:1.4.20-29.el6_10.1.tuxcare.els2.i686",
        "relates_to_product_reference": "Oracle-Linux-6"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2026-80225",
      "cwe": {
        "id": "CWE-770",
        "name": "Allocation of Resources Without Limits or Throttling"
      },
      "notes": [
        {
          "category": "description",
          "text": "In NLnetLabs Unbound up to and including 1.26.0, a degradation of service vulnerability is present in the TCP/DoT reading procedure where there is no limit on consecutive reads. A malicious actor that can stream and sustain a rate of distinct uncached names over the TCP/DoT connection, monopolizes a single worker's entire event loop for as long as its writes stay ahead of the drain.",
          "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": [
          "Oracle-Linux-6:unbound-0:1.4.20-29.el6_10.1.tuxcare.els2.i686",
          "Oracle-Linux-6:unbound-0:1.4.20-29.el6_10.1.tuxcare.els2.x86_64",
          "Oracle-Linux-6:unbound-devel-0:1.4.20-29.el6_10.1.tuxcare.els2.i686",
          "Oracle-Linux-6:unbound-devel-0:1.4.20-29.el6_10.1.tuxcare.els2.x86_64",
          "Oracle-Linux-6:unbound-libs-0:1.4.20-29.el6_10.1.tuxcare.els2.i686",
          "Oracle-Linux-6:unbound-libs-0:1.4.20-29.el6_10.1.tuxcare.els2.x86_64",
          "Oracle-Linux-6:unbound-python-0:1.4.20-29.el6_10.1.tuxcare.els2.i686",
          "Oracle-Linux-6:unbound-python-0:1.4.20-29.el6_10.1.tuxcare.els2.x86_64"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2026-80225"
        },
        {
          "category": "external",
          "summary": "https://www.nlnetlabs.nl/downloads/unbound/CVE-2026-80225.txt",
          "url": "https://www.nlnetlabs.nl/downloads/unbound/CVE-2026-80225.txt"
        }
      ],
      "release_date": "2026-09-16T09:17:00Z",
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        },
        {
          "category": "impact",
          "date": "2026-11-03T09:47:52.069602Z",
          "details": "Not affected: the vulnerable TCP read loops were added in Unbound 1.9.0 and later, and this 1.4.20 package does not contain them.",
          "product_ids": [
            "Oracle-Linux-6:unbound-0:1.4.20-29.el6_10.1.tuxcare.els2.i686",
            "Oracle-Linux-6:unbound-0:1.4.20-29.el6_10.1.tuxcare.els2.x86_64",
            "Oracle-Linux-6:unbound-devel-0:1.4.20-29.el6_10.1.tuxcare.els2.i686",
            "Oracle-Linux-6:unbound-devel-0:1.4.20-29.el6_10.1.tuxcare.els2.x86_64",
            "Oracle-Linux-6:unbound-libs-0:1.4.20-29.el6_10.1.tuxcare.els2.i686",
            "Oracle-Linux-6:unbound-libs-0:1.4.20-29.el6_10.1.tuxcare.els2.x86_64",
            "Oracle-Linux-6:unbound-python-0:1.4.20-29.el6_10.1.tuxcare.els2.i686",
            "Oracle-Linux-6:unbound-python-0:1.4.20-29.el6_10.1.tuxcare.els2.x86_64"
          ]
        }
      ]
    }
  ]
}