{
  "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/oraclelinux7els/vex/2023/cve-2023-45235-els_os-oraclelinux7els.json"
      }
    ],
    "tracking": {
      "current_release_date": "2026-11-12T03:46:14Z",
      "generator": {
        "date": "2026-11-12T03:46:14Z",
        "engine": {
          "name": "pyCSAF"
        }
      },
      "id": "CVE-2023-45235-ELS_OS-ORACLELINUX7ELS",
      "initial_release_date": "2023-01-01T00:00:00Z",
      "revision_history": [
        {
          "date": "2023-01-01T00:00:00Z",
          "number": "1",
          "summary": "Initial version"
        },
        {
          "date": "2026-11-12T03:46:14Z",
          "number": "2",
          "summary": "Official Publication"
        }
      ],
      "status": "final",
      "version": "2"
    },
    "title": "Security update on CVE-2023-45235"
  },
  "product_tree": {
    "branches": [
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_name",
                "name": "Oracle Linux 7",
                "product": {
                  "name": "Oracle Linux 7",
                  "product_id": "Oracle-Linux-7",
                  "product_identification_helper": {
                    "cpe": "cpe:2.3:o:oracle:linux:7:*:*:*:*:*:*:*"
                  }
                }
              }
            ],
            "category": "product_family",
            "name": "Oracle Linux"
          }
        ],
        "category": "vendor",
        "name": "Oracle Corporation"
      },
      {
        "branches": [
          {
            "branches": [
              {
                "category": "product_version",
                "name": "OVMF-0:20180508-6.gitee3198e672e2.el7.tuxcare.els2.noarch",
                "product": {
                  "name": "OVMF-0:20180508-6.gitee3198e672e2.el7.tuxcare.els2.noarch",
                  "product_id": "OVMF-0:20180508-6.gitee3198e672e2.el7.tuxcare.els2.noarch",
                  "product_identification_helper": {
                    "purl": "pkg:rpm/tuxcare/OVMF@20180508-6.gitee3198e672e2.el7.tuxcare.els2?arch=noarch"
                  }
                }
              }
            ],
            "category": "architecture",
            "name": "noarch"
          }
        ],
        "category": "vendor",
        "name": "TuxCare"
      }
    ],
    "relationships": [
      {
        "category": "default_component_of",
        "full_product_name": {
          "name": "OVMF-0:20180508-6.gitee3198e672e2.el7.tuxcare.els2.noarch as a component of Oracle Linux 7",
          "product_id": "Oracle-Linux-7:OVMF-0:20180508-6.gitee3198e672e2.el7.tuxcare.els2.noarch"
        },
        "product_reference": "OVMF-0:20180508-6.gitee3198e672e2.el7.tuxcare.els2.noarch",
        "relates_to_product_reference": "Oracle-Linux-7"
      }
    ]
  },
  "vulnerabilities": [
    {
      "cve": "CVE-2023-45235",
      "cwe": {
        "id": "CWE-119",
        "name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
      },
      "notes": [
        {
          "category": "description",
          "text": "EDK2's Network Package is susceptible to a buffer overflow vulnerability when\n\n\n\n\n\nhandling Server ID option \n\n\n\n from a DHCPv6 proxy Advertise message. This\n vulnerability can be exploited by an attacker to gain unauthorized \naccess and potentially lead to a loss of Confidentiality, Integrity and/or Availability.",
          "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-7:OVMF-0:20180508-6.gitee3198e672e2.el7.tuxcare.els2.noarch"
        ]
      },
      "references": [
        {
          "category": "self",
          "summary": "Canonical URL",
          "url": "https://cve.tuxcare.com/els/cve/CVE-2023-45235"
        },
        {
          "category": "external",
          "summary": "http://packetstormsecurity.com/files/176574/PixieFail-Proof-Of-Concepts.html",
          "url": "http://packetstormsecurity.com/files/176574/PixieFail-Proof-Of-Concepts.html"
        },
        {
          "category": "external",
          "summary": "http://www.openwall.com/lists/oss-security/2024/01/16/2",
          "url": "http://www.openwall.com/lists/oss-security/2024/01/16/2"
        },
        {
          "category": "external",
          "summary": "https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h",
          "url": "https://github.com/tianocore/edk2/security/advisories/GHSA-hc6x-cw6p-gj7h"
        },
        {
          "category": "external",
          "summary": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/",
          "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SJ42V7O7F4OU6R7QSQQECLB6LDHKZIMQ/"
        },
        {
          "category": "external",
          "summary": "https://security.netapp.com/advisory/ntap-20240307-0011/",
          "url": "https://security.netapp.com/advisory/ntap-20240307-0011/"
        },
        {
          "category": "external",
          "summary": "https://lists.debian.org/debian-lts-announce/2025/06/msg00007.html",
          "url": "https://lists.debian.org/debian-lts-announce/2025/06/msg00007.html"
        },
        {
          "category": "external",
          "summary": "https://www.kb.cert.org/vuls/id/132380",
          "url": "https://www.kb.cert.org/vuls/id/132380"
        }
      ],
      "release_date": "2024-01-16T16:15:00Z",
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        },
        {
          "category": "impact",
          "date": "2026-11-06T15:30:33.783141Z",
          "details": "Not affected: the vulnerable DHCPv6 code is not compiled into any shipped firmware image, because the IPv6 network stack is disabled in this build.",
          "product_ids": [
            "Oracle-Linux-7:OVMF-0:20180508-6.gitee3198e672e2.el7.tuxcare.els2.noarch"
          ]
        }
      ]
    }
  ]
}