Security advisory

{
  "id": "237b22e030588ad4b8c0842a832341d0172f3352529d344f89038f65ec6656bc",
  "url": "https://osv.dev/vulnerability/CVE-2016-5363",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2016-5363",
    "summary": "The IPTables firewall in OpenStack Neutron before 7.0.4 and 8.0.0 through 8.1.0 allows remote attackers to bypass an intended MAC-spoofing protection mechanism and consequently cause a denial of service or intercept network traffic via (1) a crafted DHCP discovery message or (2) crafted non-IP traffic.",
    "evidence": "osv:CVE-2016-5363",
    "products": [],
    "severity": "high",
    "structured": {
      "id": "CVE-2016-5363",
      "aliases": [
        "CVE-2016-5363",
        "GHSA-9pp3-cvmq-9p22",
        "PYSEC-2026-852"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/openstack/neutron",
              "type": "GIT",
              "events": [
                {
                  "introduced": "6dcfe3a9362ae5fcf18e5cfb59663e43446cd59c"
                },
                {
                  "last_affected": "a323769143001d67fd1b3b4ba294e59accd09e0e"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:openstack:neutron:7.0.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "7.0.0"
                      },
                      {
                        "last_affected": "7.0.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:openstack:neutron:7.0.1:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "7.0.1"
                      },
                      {
                        "last_affected": "7.0.1"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:openstack:neutron:7.0.2:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "7.0.2"
                      },
                      {
                        "last_affected": "7.0.2"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:openstack:neutron:7.0.3:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "7.0.3"
                      },
                      {
                        "last_affected": "7.0.3"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:openstack:neutron:7.0.4:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "7.0.4"
                      },
                      {
                        "last_affected": "7.0.4"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:openstack:neutron:8.0.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "8.0.0"
                      },
                      {
                        "last_affected": "8.0.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:openstack:neutron:8.1.0:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "8.1.0"
                      },
                      {
                        "last_affected": "8.1.0"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "7.0.0",
            "7.0.1",
            "7.0.2",
            "7.0.3",
            "7.0.4",
            "8.0.0",
            "8.1.0"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2016-5363.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:24.709823925Z",
      "provider": "osv",
      "references": [
        "https://bugs.launchpad.net/neutron/+bug/1558658",
        "https://review.openstack.org/#/c/299021/",
        "https://review.openstack.org/#/c/299023/",
        "https://review.openstack.org/#/c/299025/",
        "https://access.redhat.com/errata/RHSA-2016:1473",
        "https://access.redhat.com/errata/RHSA-2016:1474",
        "https://security.openstack.org/ossa/OSSA-2016-009.html"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2016-5363",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 431203,
  "published_at": "2016-06-17T15:59:04.32+00:00"
}