Security advisory

{
  "id": "8ce9f733205a3be3d6564eef0aae66258e78047836a21da34262fd03a73449c5",
  "url": "https://osv.dev/vulnerability/CVE-2017-9264",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "CVE-2017-9264",
    "summary": "In lib/conntrack.c in the firewall implementation in Open vSwitch (OvS) 2.6.1, there is a buffer over-read while parsing malformed TCP, UDP, and IPv6 packets in the functions `extract_l3_ipv6`, `extract_l4_tcp`, and `extract_l4_udp` that can be triggered remotely.",
    "evidence": "osv:CVE-2017-9264",
    "products": [],
    "severity": "critical",
    "structured": {
      "id": "CVE-2017-9264",
      "aliases": [
        "CVE-2017-9264"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/openvswitch/ovs",
              "type": "GIT",
              "events": [
                {
                  "introduced": "f4b0e64cffb4777ff03d48621c3eadcf1d8c19f3"
                },
                {
                  "last_affected": "f4b0e64cffb4777ff03d48621c3eadcf1d8c19f3"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:openvswitch:openvswitch:2.6.1:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "2.6.1"
                      },
                      {
                        "last_affected": "2.6.1"
                      }
                    ],
                    "source": "CPE_STRING"
                  }
                ]
              }
            }
          ],
          "versions": [
            "2.6.1",
            "v2.6.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2017-9264.json"
          }
        }
      ],
      "modified": "2026-10-24T10:30:27.925064314Z",
      "provider": "osv",
      "references": [
        "https://access.redhat.com/errata/RHSA-2017:2418",
        "https://access.redhat.com/errata/RHSA-2017:2648",
        "https://access.redhat.com/errata/RHSA-2017:2727",
        "https://mail.openvswitch.org/pipermail/ovs-dev/2017-March/329323.html"
      ],
      "provider_metadata": {}
    },
    "related_cves": [
      {
        "value": "CVE-2017-9264",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 431930,
  "published_at": "2017-05-29T04:29:00.4+00:00"
}