openvswitch — security advisory

{
  "id": "7b40022e09672262730632f4e0abbf72278a421e76cb0f52faa640f0203b84a2",
  "url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-36499",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "UBUNTU-CVE-2026-36499",
    "summary": "A missing upper-bound check in the udpif_set_threads() function of Open vSwitch v3.6.90 allows an attacker with OVSDB write access to request an excessive number of handler or revalidation threads. This can cause a denial of service (DoS) via resource exhaustion.",
    "evidence": "osv:UBUNTU-CVE-2026-36499",
    "products": [
      {
        "name": {
          "value": "openvswitch",
          "evidence": "/affected/0/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "2.4.0-0ubuntu4",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2.4.0-0ubuntu5",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2.5.0~git20160129.46a88d9-0ubuntu1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2.5.0~git20160219.522aca6-0ubuntu1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2.5.0~git20160219.522aca6-0ubuntu2",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2.5.0~git20160219.522aca6-0ubuntu3",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2.5.0-0ubuntu1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2.5.2-0ubuntu0.16.04.1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2.5.2-0ubuntu0.16.04.2",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2.5.2-0ubuntu0.16.04.3",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2.5.4-0ubuntu0.16.04.1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2.5.5-0ubuntu0.16.04.1",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2.5.5-0ubuntu0.16.04.2",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2.5.9-0ubuntu0.16.04.2",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2.5.9-0ubuntu0.16.04.3",
            "evidence": "/affected/0/versions"
          },
          {
            "value": "2.5.9-0ubuntu0.16.04.3+esm1",
            "evidence": "/affected/0/versions"
          }
        ]
      },
      {
        "name": {
          "value": "openvswitch",
          "evidence": "/affected/1/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "2.8.0-0ubuntu2",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "2.8.1-0ubuntu2",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "2.8.1-0ubuntu3",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "2.9.0~git20180205.5a39582ca-0ubuntu1",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "2.9.0-0ubuntu1",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "2.9.2-0ubuntu0.18.04.2",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "2.9.2-0ubuntu0.18.04.3",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "2.9.5-0ubuntu0.18.04.1",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "2.9.7-0ubuntu0.18.04.2",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "2.9.8-0ubuntu0.18.04.2",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "2.9.8-0ubuntu0.18.04.3",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "2.9.8-0ubuntu0.18.04.4",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "2.9.8-0ubuntu0.18.04.5",
            "evidence": "/affected/1/versions"
          },
          {
            "value": "2.9.8-0ubuntu0.18.04.5+esm1",
            "evidence": "/affected/1/versions"
          }
        ]
      },
      {
        "name": {
          "value": "openvswitch",
          "evidence": "/affected/2/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "2.12.0-0ubuntu1",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "2.12.0-0ubuntu2",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "2.12.1~git20191107.7accd1302-0ubuntu1",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "2.12.90~git20200107.af683565b-0ubuntu1",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "2.12.90~git20200107.af683565b-0ubuntu2",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "2.12.90~git20200107.af683565b-0ubuntu3",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "2.13.0~git20200127.dbdf66c29-0ubuntu2",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "2.13.0~git20200212.15ae9db33-0ubuntu1",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "2.13.0~git20200212.15ae9db33-0ubuntu2",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "2.13.0-0ubuntu1",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "2.13.1-0ubuntu0.20.04.1",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "2.13.1-0ubuntu0.20.04.3",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "2.13.1-0ubuntu0.20.04.4",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "2.13.3-0ubuntu0.20.04.1",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "2.13.3-0ubuntu0.20.04.2",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "2.13.5-0ubuntu1",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "2.13.8-0ubuntu1",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "2.13.8-0ubuntu1.1",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "2.13.8-0ubuntu1.2",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "2.13.8-0ubuntu1.3",
            "evidence": "/affected/2/versions"
          },
          {
            "value": "2.13.8-0ubuntu1.4",
            "evidence": "/affected/2/versions"
          }
        ]
      },
      {
        "name": {
          "value": "openvswitch",
          "evidence": "/affected/3/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "2.16.0-0ubuntu2",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "2.16.0-0ubuntu3",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "2.16.0-0ubuntu4",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "2.17.0~git20220105.0d1ffb7-0ubuntu1",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "2.17.0~git20220118.1b9fd88-0ubuntu1",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "2.17.0~git20220121.109d024-0ubuntu1",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "2.17.0-0ubuntu1",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "2.17.2-0ubuntu0.22.04.1",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "2.17.2-0ubuntu0.22.04.2",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "2.17.3-0ubuntu0.22.04.1",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "2.17.3-0ubuntu0.22.04.2",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "2.17.5-0ubuntu0.22.04.2",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "2.17.7-0ubuntu0.22.04.1",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "2.17.8-0ubuntu0.22.04.1",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "2.17.9-0ubuntu0.22.04.1",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "2.17.9-0ubuntu0.22.04.2",
            "evidence": "/affected/3/versions"
          },
          {
            "value": "2.17.12-0ubuntu0.22.04.1",
            "evidence": "/affected/3/versions"
          }
        ]
      },
      {
        "name": {
          "value": "openvswitch",
          "evidence": "/affected/4/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "3.2.0-1",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "3.2.0-2",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "3.2.0-2build1",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "3.2.2~git20231029-2",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "3.2.2~git20231029-2build1",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "3.3.0~git20240118.e802fe7-2",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "3.3.0~git20240118.e802fe7-3",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "3.3.0-1",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "3.3.0-1build1",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "3.3.0-1ubuntu1",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "3.3.0-1ubuntu3",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "3.3.0-1ubuntu3.1",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "3.3.0-1ubuntu3.2",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "3.3.4-0ubuntu0.24.04.1",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "3.3.4-0ubuntu0.24.04.2",
            "evidence": "/affected/4/versions"
          },
          {
            "value": "3.3.9-0ubuntu0.24.04.1",
            "evidence": "/affected/4/versions"
          }
        ]
      },
      {
        "name": {
          "value": "openvswitch",
          "evidence": "/affected/5/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "3.5.0-1build1",
            "evidence": "/affected/5/versions"
          },
          {
            "value": "3.5.1-0ubuntu1",
            "evidence": "/affected/5/versions"
          },
          {
            "value": "3.6.0-1",
            "evidence": "/affected/5/versions"
          },
          {
            "value": "3.6.0-2",
            "evidence": "/affected/5/versions"
          },
          {
            "value": "3.6.0-2ubuntu0.1",
            "evidence": "/affected/5/versions"
          }
        ]
      },
      {
        "name": {
          "value": "openvswitch",
          "evidence": "/affected/6/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "3.7.1-2",
            "evidence": "/affected/6/versions"
          },
          {
            "value": "3.7.1-3",
            "evidence": "/affected/6/versions"
          },
          {
            "value": "3.7.1-3build1",
            "evidence": "/affected/6/versions"
          },
          {
            "value": "4.0.0-1",
            "evidence": "/affected/6/versions"
          }
        ]
      },
      {
        "name": {
          "value": "openvswitch",
          "evidence": "/affected/7/package/name"
        },
        "prerequisites": [],
        "fixed_versions": [],
        "affected_versions": [
          {
            "value": "3.6.0-2",
            "evidence": "/affected/7/versions"
          },
          {
            "value": "3.6.0-2build1",
            "evidence": "/affected/7/versions"
          },
          {
            "value": "3.6.0-5",
            "evidence": "/affected/7/versions"
          },
          {
            "value": "3.6.0-6",
            "evidence": "/affected/7/versions"
          },
          {
            "value": "3.6.0-6build1",
            "evidence": "/affected/7/versions"
          },
          {
            "value": "3.6.0-6ubuntu2",
            "evidence": "/affected/7/versions"
          },
          {
            "value": "3.7.0~git20260211.8c6ebf8-1~1.gbp9127d1",
            "evidence": "/affected/7/versions"
          },
          {
            "value": "3.7.0-1",
            "evidence": "/affected/7/versions"
          },
          {
            "value": "3.7.0-1build1",
            "evidence": "/affected/7/versions"
          },
          {
            "value": "3.7.1-1",
            "evidence": "/affected/7/versions"
          },
          {
            "value": "3.7.1-2",
            "evidence": "/affected/7/versions"
          }
        ]
      }
    ],
    "severity": "medium",
    "structured": {
      "id": "UBUNTU-CVE-2026-36499",
      "aliases": [
        "UBUNTU-CVE-2026-36499"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"
        },
        {
          "type": "Ubuntu",
          "score": "medium"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "openvswitch",
            "purl": "pkg:deb/ubuntu/openvswitch?arch=source&distro=esm-infra%2Fxenial",
            "ecosystem": "Ubuntu:Pro:16.04:LTS"
          },
          "versions": [
            "2.4.0-0ubuntu4",
            "2.4.0-0ubuntu5",
            "2.5.0~git20160129.46a88d9-0ubuntu1",
            "2.5.0~git20160219.522aca6-0ubuntu1",
            "2.5.0~git20160219.522aca6-0ubuntu2",
            "2.5.0~git20160219.522aca6-0ubuntu3",
            "2.5.0-0ubuntu1",
            "2.5.2-0ubuntu0.16.04.1",
            "2.5.2-0ubuntu0.16.04.2",
            "2.5.2-0ubuntu0.16.04.3",
            "2.5.4-0ubuntu0.16.04.1",
            "2.5.5-0ubuntu0.16.04.1",
            "2.5.5-0ubuntu0.16.04.2",
            "2.5.9-0ubuntu0.16.04.2",
            "2.5.9-0ubuntu0.16.04.3",
            "2.5.9-0ubuntu0.16.04.3+esm1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-36499.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "openvswitch-common",
                "binary_version": "2.5.9-0ubuntu0.16.04.3+esm1"
              },
              {
                "binary_name": "openvswitch-ipsec",
                "binary_version": "2.5.9-0ubuntu0.16.04.3+esm1"
              },
              {
                "binary_name": "openvswitch-pki",
                "binary_version": "2.5.9-0ubuntu0.16.04.3+esm1"
              },
              {
                "binary_name": "openvswitch-switch",
                "binary_version": "2.5.9-0ubuntu0.16.04.3+esm1"
              },
              {
                "binary_name": "openvswitch-switch-dpdk",
                "binary_version": "2.5.9-0ubuntu0.16.04.3+esm1"
              },
              {
                "binary_name": "openvswitch-test",
                "binary_version": "2.5.9-0ubuntu0.16.04.3+esm1"
              },
              {
                "binary_name": "openvswitch-testcontroller",
                "binary_version": "2.5.9-0ubuntu0.16.04.3+esm1"
              },
              {
                "binary_name": "openvswitch-vtep",
                "binary_version": "2.5.9-0ubuntu0.16.04.3+esm1"
              },
              {
                "binary_name": "ovn-central",
                "binary_version": "2.5.9-0ubuntu0.16.04.3+esm1"
              },
              {
                "binary_name": "ovn-common",
                "binary_version": "2.5.9-0ubuntu0.16.04.3+esm1"
              },
              {
                "binary_name": "ovn-docker",
                "binary_version": "2.5.9-0ubuntu0.16.04.3+esm1"
              },
              {
                "binary_name": "ovn-host",
                "binary_version": "2.5.9-0ubuntu0.16.04.3+esm1"
              },
              {
                "binary_name": "python-openvswitch",
                "binary_version": "2.5.9-0ubuntu0.16.04.3+esm1"
              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "openvswitch",
            "purl": "pkg:deb/ubuntu/openvswitch?arch=source&distro=esm-infra%2Fbionic",
            "ecosystem": "Ubuntu:Pro:18.04:LTS"
          },
          "versions": [
            "2.8.0-0ubuntu2",
            "2.8.1-0ubuntu2",
            "2.8.1-0ubuntu3",
            "2.9.0~git20180205.5a39582ca-0ubuntu1",
            "2.9.0-0ubuntu1",
            "2.9.2-0ubuntu0.18.04.2",
            "2.9.2-0ubuntu0.18.04.3",
            "2.9.5-0ubuntu0.18.04.1",
            "2.9.7-0ubuntu0.18.04.2",
            "2.9.8-0ubuntu0.18.04.2",
            "2.9.8-0ubuntu0.18.04.3",
            "2.9.8-0ubuntu0.18.04.4",
            "2.9.8-0ubuntu0.18.04.5",
            "2.9.8-0ubuntu0.18.04.5+esm1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-36499.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "openvswitch-common",
                "binary_version": "2.9.8-0ubuntu0.18.04.5+esm1"
              },
              {
                "binary_name": "openvswitch-pki",
                "binary_version": "2.9.8-0ubuntu0.18.04.5+esm1"
              },
              {
                "binary_name": "openvswitch-switch",
                "binary_version": "2.9.8-0ubuntu0.18.04.5+esm1"
              },
              {
                "binary_name": "openvswitch-switch-dpdk",
                "binary_version": "2.9.8-0ubuntu0.18.04.5+esm1"
              },
              {
                "binary_name": "openvswitch-test",
                "binary_version": "2.9.8-0ubuntu0.18.04.5+esm1"
              },
              {
                "binary_name": "openvswitch-testcontroller",
                "binary_version": "2.9.8-0ubuntu0.18.04.5+esm1"
              },
              {
                "binary_name": "openvswitch-vtep",
                "binary_version": "2.9.8-0ubuntu0.18.04.5+esm1"
              },
              {
                "binary_name": "ovn-central",
                "binary_version": "2.9.8-0ubuntu0.18.04.5+esm1"
              },
              {
                "binary_name": "ovn-common",
                "binary_version": "2.9.8-0ubuntu0.18.04.5+esm1"
              },
              {
                "binary_name": "ovn-controller-vtep",
                "binary_version": "2.9.8-0ubuntu0.18.04.5+esm1"
              },
              {
                "binary_name": "ovn-docker",
                "binary_version": "2.9.8-0ubuntu0.18.04.5+esm1"
              },
              {
                "binary_name": "ovn-host",
                "binary_version": "2.9.8-0ubuntu0.18.04.5+esm1"
              },
              {
                "binary_name": "python-openvswitch",
                "binary_version": "2.9.8-0ubuntu0.18.04.5+esm1"
              },
              {
                "binary_name": "python3-openvswitch",
                "binary_version": "2.9.8-0ubuntu0.18.04.5+esm1"
              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "openvswitch",
            "purl": "pkg:deb/ubuntu/openvswitch?arch=source&distro=focal",
            "ecosystem": "Ubuntu:20.04:LTS"
          },
          "versions": [
            "2.12.0-0ubuntu1",
            "2.12.0-0ubuntu2",
            "2.12.1~git20191107.7accd1302-0ubuntu1",
            "2.12.90~git20200107.af683565b-0ubuntu1",
            "2.12.90~git20200107.af683565b-0ubuntu2",
            "2.12.90~git20200107.af683565b-0ubuntu3",
            "2.13.0~git20200127.dbdf66c29-0ubuntu2",
            "2.13.0~git20200212.15ae9db33-0ubuntu1",
            "2.13.0~git20200212.15ae9db33-0ubuntu2",
            "2.13.0-0ubuntu1",
            "2.13.1-0ubuntu0.20.04.1",
            "2.13.1-0ubuntu0.20.04.3",
            "2.13.1-0ubuntu0.20.04.4",
            "2.13.3-0ubuntu0.20.04.1",
            "2.13.3-0ubuntu0.20.04.2",
            "2.13.5-0ubuntu1",
            "2.13.8-0ubuntu1",
            "2.13.8-0ubuntu1.1",
            "2.13.8-0ubuntu1.2",
            "2.13.8-0ubuntu1.3",
            "2.13.8-0ubuntu1.4"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-36499.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "openvswitch-common",
                "binary_version": "2.13.8-0ubuntu1.4"
              },
              {
                "binary_name": "openvswitch-pki",
                "binary_version": "2.13.8-0ubuntu1.4"
              },
              {
                "binary_name": "openvswitch-source",
                "binary_version": "2.13.8-0ubuntu1.4"
              },
              {
                "binary_name": "openvswitch-switch",
                "binary_version": "2.13.8-0ubuntu1.4"
              },
              {
                "binary_name": "openvswitch-switch-dpdk",
                "binary_version": "2.13.8-0ubuntu1.4"
              },
              {
                "binary_name": "openvswitch-test",
                "binary_version": "2.13.8-0ubuntu1.4"
              },
              {
                "binary_name": "openvswitch-testcontroller",
                "binary_version": "2.13.8-0ubuntu1.4"
              },
              {
                "binary_name": "openvswitch-vtep",
                "binary_version": "2.13.8-0ubuntu1.4"
              },
              {
                "binary_name": "python3-openvswitch",
                "binary_version": "2.13.8-0ubuntu1.4"
              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "openvswitch",
            "purl": "pkg:deb/ubuntu/openvswitch?arch=source&distro=jammy",
            "ecosystem": "Ubuntu:22.04:LTS"
          },
          "versions": [
            "2.16.0-0ubuntu2",
            "2.16.0-0ubuntu3",
            "2.16.0-0ubuntu4",
            "2.17.0~git20220105.0d1ffb7-0ubuntu1",
            "2.17.0~git20220118.1b9fd88-0ubuntu1",
            "2.17.0~git20220121.109d024-0ubuntu1",
            "2.17.0-0ubuntu1",
            "2.17.2-0ubuntu0.22.04.1",
            "2.17.2-0ubuntu0.22.04.2",
            "2.17.3-0ubuntu0.22.04.1",
            "2.17.3-0ubuntu0.22.04.2",
            "2.17.5-0ubuntu0.22.04.2",
            "2.17.7-0ubuntu0.22.04.1",
            "2.17.8-0ubuntu0.22.04.1",
            "2.17.9-0ubuntu0.22.04.1",
            "2.17.9-0ubuntu0.22.04.2",
            "2.17.12-0ubuntu0.22.04.1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-36499.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "openvswitch-common",
                "binary_version": "2.17.12-0ubuntu0.22.04.1"
              },
              {
                "binary_name": "openvswitch-ipsec",
                "binary_version": "2.17.12-0ubuntu0.22.04.1"
              },
              {
                "binary_name": "openvswitch-pki",
                "binary_version": "2.17.12-0ubuntu0.22.04.1"
              },
              {
                "binary_name": "openvswitch-source",
                "binary_version": "2.17.12-0ubuntu0.22.04.1"
              },
              {
                "binary_name": "openvswitch-switch",
                "binary_version": "2.17.12-0ubuntu0.22.04.1"
              },
              {
                "binary_name": "openvswitch-switch-dpdk",
                "binary_version": "2.17.12-0ubuntu0.22.04.1"
              },
              {
                "binary_name": "openvswitch-test",
                "binary_version": "2.17.12-0ubuntu0.22.04.1"
              },
              {
                "binary_name": "openvswitch-testcontroller",
                "binary_version": "2.17.12-0ubuntu0.22.04.1"
              },
              {
                "binary_name": "openvswitch-vtep",
                "binary_version": "2.17.12-0ubuntu0.22.04.1"
              },
              {
                "binary_name": "python3-openvswitch",
                "binary_version": "2.17.12-0ubuntu0.22.04.1"
              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "openvswitch",
            "purl": "pkg:deb/ubuntu/openvswitch?arch=source&distro=noble",
            "ecosystem": "Ubuntu:24.04:LTS"
          },
          "versions": [
            "3.2.0-1",
            "3.2.0-2",
            "3.2.0-2build1",
            "3.2.2~git20231029-2",
            "3.2.2~git20231029-2build1",
            "3.3.0~git20240118.e802fe7-2",
            "3.3.0~git20240118.e802fe7-3",
            "3.3.0-1",
            "3.3.0-1build1",
            "3.3.0-1ubuntu1",
            "3.3.0-1ubuntu3",
            "3.3.0-1ubuntu3.1",
            "3.3.0-1ubuntu3.2",
            "3.3.4-0ubuntu0.24.04.1",
            "3.3.4-0ubuntu0.24.04.2",
            "3.3.9-0ubuntu0.24.04.1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-36499.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "openvswitch-common",
                "binary_version": "3.3.9-0ubuntu0.24.04.1"
              },
              {
                "binary_name": "openvswitch-ipsec",
                "binary_version": "3.3.9-0ubuntu0.24.04.1"
              },
              {
                "binary_name": "openvswitch-pki",
                "binary_version": "3.3.9-0ubuntu0.24.04.1"
              },
              {
                "binary_name": "openvswitch-source",
                "binary_version": "3.3.9-0ubuntu0.24.04.1"
              },
              {
                "binary_name": "openvswitch-switch",
                "binary_version": "3.3.9-0ubuntu0.24.04.1"
              },
              {
                "binary_name": "openvswitch-switch-dpdk",
                "binary_version": "3.3.9-0ubuntu0.24.04.1"
              },
              {
                "binary_name": "openvswitch-test",
                "binary_version": "3.3.9-0ubuntu0.24.04.1"
              },
              {
                "binary_name": "openvswitch-testcontroller",
                "binary_version": "3.3.9-0ubuntu0.24.04.1"
              },
              {
                "binary_name": "openvswitch-vtep",
                "binary_version": "3.3.9-0ubuntu0.24.04.1"
              },
              {
                "binary_name": "python3-openvswitch",
                "binary_version": "3.3.9-0ubuntu0.24.04.1"
              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "openvswitch",
            "purl": "pkg:deb/ubuntu/openvswitch?arch=source&distro=questing",
            "ecosystem": "Ubuntu:25.10"
          },
          "versions": [
            "3.5.0-1build1",
            "3.5.1-0ubuntu1",
            "3.6.0-1",
            "3.6.0-2",
            "3.6.0-2ubuntu0.1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-36499.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "openvswitch-common",
                "binary_version": "3.6.0-2ubuntu0.1"
              },
              {
                "binary_name": "openvswitch-ipsec",
                "binary_version": "3.6.0-2ubuntu0.1"
              },
              {
                "binary_name": "openvswitch-pki",
                "binary_version": "3.6.0-2ubuntu0.1"
              },
              {
                "binary_name": "openvswitch-source",
                "binary_version": "3.6.0-2ubuntu0.1"
              },
              {
                "binary_name": "openvswitch-switch",
                "binary_version": "3.6.0-2ubuntu0.1"
              },
              {
                "binary_name": "openvswitch-switch-dpdk",
                "binary_version": "3.6.0-2ubuntu0.1"
              },
              {
                "binary_name": "openvswitch-test",
                "binary_version": "3.6.0-2ubuntu0.1"
              },
              {
                "binary_name": "openvswitch-testcontroller",
                "binary_version": "3.6.0-2ubuntu0.1"
              },
              {
                "binary_name": "openvswitch-vtep",
                "binary_version": "3.6.0-2ubuntu0.1"
              },
              {
                "binary_name": "python3-openvswitch",
                "binary_version": "3.6.0-2ubuntu0.1"
              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "openvswitch",
            "purl": "pkg:deb/ubuntu/openvswitch?arch=source&distro=stonking",
            "ecosystem": "Ubuntu:26.10"
          },
          "versions": [
            "3.7.1-2",
            "3.7.1-3",
            "3.7.1-3build1",
            "4.0.0-1"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-36499.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "openvswitch-common",
                "binary_version": "4.0.0-1"
              },
              {
                "binary_name": "openvswitch-ipsec",
                "binary_version": "4.0.0-1"
              },
              {
                "binary_name": "openvswitch-pki",
                "binary_version": "4.0.0-1"
              },
              {
                "binary_name": "openvswitch-source",
                "binary_version": "4.0.0-1"
              },
              {
                "binary_name": "openvswitch-switch",
                "binary_version": "4.0.0-1"
              },
              {
                "binary_name": "openvswitch-switch-dpdk",
                "binary_version": "4.0.0-1"
              },
              {
                "binary_name": "openvswitch-test",
                "binary_version": "4.0.0-1"
              },
              {
                "binary_name": "openvswitch-testcontroller",
                "binary_version": "4.0.0-1"
              },
              {
                "binary_name": "openvswitch-vtep",
                "binary_version": "4.0.0-1"
              },
              {
                "binary_name": "python3-openvswitch",
                "binary_version": "4.0.0-1"
              }
            ]
          }
        },
        {
          "ranges": [
            {
              "type": "ECOSYSTEM",
              "events": [
                {
                  "introduced": "0"
                }
              ]
            }
          ],
          "package": {
            "name": "openvswitch",
            "purl": "pkg:deb/ubuntu/openvswitch?arch=source&distro=resolute",
            "ecosystem": "Ubuntu:26.04:LTS"
          },
          "versions": [
            "3.6.0-2",
            "3.6.0-2build1",
            "3.6.0-5",
            "3.6.0-6",
            "3.6.0-6build1",
            "3.6.0-6ubuntu2",
            "3.7.0~git20260211.8c6ebf8-1~1.gbp9127d1",
            "3.7.0-1",
            "3.7.0-1build1",
            "3.7.1-1",
            "3.7.1-2"
          ],
          "database_specific": {
            "source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2026/UBUNTU-CVE-2026-36499.json"
          },
          "ecosystem_specific": {
            "binaries": [
              {
                "binary_name": "openvswitch-common",
                "binary_version": "3.7.1-2"
              },
              {
                "binary_name": "openvswitch-ipsec",
                "binary_version": "3.7.1-2"
              },
              {
                "binary_name": "openvswitch-pki",
                "binary_version": "3.7.1-2"
              },
              {
                "binary_name": "openvswitch-source",
                "binary_version": "3.7.1-2"
              },
              {
                "binary_name": "openvswitch-switch",
                "binary_version": "3.7.1-2"
              },
              {
                "binary_name": "openvswitch-switch-dpdk",
                "binary_version": "3.7.1-2"
              },
              {
                "binary_name": "openvswitch-test",
                "binary_version": "3.7.1-2"
              },
              {
                "binary_name": "openvswitch-testcontroller",
                "binary_version": "3.7.1-2"
              },
              {
                "binary_name": "openvswitch-vtep",
                "binary_version": "3.7.1-2"
              },
              {
                "binary_name": "python3-openvswitch",
                "binary_version": "3.7.1-2"
              }
            ]
          }
        }
      ],
      "modified": "2026-10-17T12:58:13.486950198Z",
      "provider": "osv",
      "upstream": [
        "CVE-2026-36499"
      ],
      "references": [
        "https://ubuntu.com/security/CVE-2026-36499",
        "https://www.cve.org/CVERecord?id=CVE-2026-36499"
      ]
    },
    "related_cves": [
      {
        "value": "CVE-2026-36499",
        "evidence": "/upstream"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 358378,
  "published_at": "2026-06-04T19:16:00+00:00"
}