{
  "cveId": "CVE-2020-35498",
  "url": "https://patchblox.com/security/cve/CVE-2020-35498",
  "summary": "CVE-2020-35498 is fixed in 15 products on 1 platform, first by openvswitch-common 2.9.8-0ubuntu0.18.04.2, released February 9, 2021. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "openvswitch-common: A vulnerability was found in openvswitch",
  "description": "A vulnerability was found in openvswitch. A limitation in the implementation of userspace packet parsing can allow a malicious user to send a specially crafted packet causing the resulting megaflow in the kernel to be too wide, potentially causing a denial of service. The highest threat from this vulnerability is to system availability.",
  "published": "2021-02-09T16:00:00Z",
  "severity": "Medium",
  "epss": 0.08026,
  "epssPercentile": 0.94807,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "fixes": [
    {
      "platform": "linux",
      "product": "openvswitch-common",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.9.8-0ubuntu0.18.04.2",
      "fix": "openvswitch-common 2.9.8-0ubuntu0.18.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-openvswitch-common-2.9.8-0ubuntu0.18.04.2",
      "released": "2021-02-09T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openvswitch-common",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.13.1-0ubuntu0.20.04.4",
      "fix": "openvswitch-common 2.13.1-0ubuntu0.20.04.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-openvswitch-common-2.13.1-0ubuntu0.20.04.4",
      "released": "2021-02-09T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openvswitch-pki",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.9.8-0ubuntu0.18.04.2",
      "fix": "openvswitch-pki 2.9.8-0ubuntu0.18.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-openvswitch-pki-2.9.8-0ubuntu0.18.04.2",
      "released": "2021-02-09T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openvswitch-pki",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.13.1-0ubuntu0.20.04.4",
      "fix": "openvswitch-pki 2.13.1-0ubuntu0.20.04.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-openvswitch-pki-2.13.1-0ubuntu0.20.04.4",
      "released": "2021-02-09T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openvswitch-source",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.13.1-0ubuntu0.20.04.4",
      "fix": "openvswitch-source 2.13.1-0ubuntu0.20.04.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-openvswitch-source-2.13.1-0ubuntu0.20.04.4",
      "released": "2021-02-09T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openvswitch-switch",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.9.8-0ubuntu0.18.04.2",
      "fix": "openvswitch-switch 2.9.8-0ubuntu0.18.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-openvswitch-switch-2.9.8-0ubuntu0.18.04.2",
      "released": "2021-02-09T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openvswitch-switch",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.13.1-0ubuntu0.20.04.4",
      "fix": "openvswitch-switch 2.13.1-0ubuntu0.20.04.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-openvswitch-switch-2.13.1-0ubuntu0.20.04.4",
      "released": "2021-02-09T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openvswitch-switch-dpdk",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.9.8-0ubuntu0.18.04.2",
      "fix": "openvswitch-switch-dpdk 2.9.8-0ubuntu0.18.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-openvswitch-switch-dpdk-2.9.8-0ubuntu0.18.04.2",
      "released": "2021-02-09T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openvswitch-switch-dpdk",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.13.1-0ubuntu0.20.04.4",
      "fix": "openvswitch-switch-dpdk 2.13.1-0ubuntu0.20.04.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-openvswitch-switch-dpdk-2.13.1-0ubuntu0.20.04.4",
      "released": "2021-02-09T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openvswitch-test",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.9.8-0ubuntu0.18.04.2",
      "fix": "openvswitch-test 2.9.8-0ubuntu0.18.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-openvswitch-test-2.9.8-0ubuntu0.18.04.2",
      "released": "2021-02-09T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openvswitch-test",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.13.1-0ubuntu0.20.04.4",
      "fix": "openvswitch-test 2.13.1-0ubuntu0.20.04.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-openvswitch-test-2.13.1-0ubuntu0.20.04.4",
      "released": "2021-02-09T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openvswitch-testcontroller",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.9.8-0ubuntu0.18.04.2",
      "fix": "openvswitch-testcontroller 2.9.8-0ubuntu0.18.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-openvswitch-testcontroller-2.9.8-0ubuntu0.18.04.2",
      "released": "2021-02-09T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openvswitch-testcontroller",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.13.1-0ubuntu0.20.04.4",
      "fix": "openvswitch-testcontroller 2.13.1-0ubuntu0.20.04.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-openvswitch-testcontroller-2.13.1-0ubuntu0.20.04.4",
      "released": "2021-02-09T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openvswitch-vtep",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.9.8-0ubuntu0.18.04.2",
      "fix": "openvswitch-vtep 2.9.8-0ubuntu0.18.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-openvswitch-vtep-2.9.8-0ubuntu0.18.04.2",
      "released": "2021-02-09T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "openvswitch-vtep",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.13.1-0ubuntu0.20.04.4",
      "fix": "openvswitch-vtep 2.13.1-0ubuntu0.20.04.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-openvswitch-vtep-2.13.1-0ubuntu0.20.04.4",
      "released": "2021-02-09T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "ovn-central",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.9.8-0ubuntu0.18.04.2",
      "fix": "ovn-central 2.9.8-0ubuntu0.18.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-ovn-central-2.9.8-0ubuntu0.18.04.2",
      "released": "2021-02-09T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "ovn-common",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.9.8-0ubuntu0.18.04.2",
      "fix": "ovn-common 2.9.8-0ubuntu0.18.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-ovn-common-2.9.8-0ubuntu0.18.04.2",
      "released": "2021-02-09T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "ovn-controller-vtep",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.9.8-0ubuntu0.18.04.2",
      "fix": "ovn-controller-vtep 2.9.8-0ubuntu0.18.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-ovn-controller-vtep-2.9.8-0ubuntu0.18.04.2",
      "released": "2021-02-09T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "ovn-docker",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.9.8-0ubuntu0.18.04.2",
      "fix": "ovn-docker 2.9.8-0ubuntu0.18.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-ovn-docker-2.9.8-0ubuntu0.18.04.2",
      "released": "2021-02-09T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "ovn-host",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.9.8-0ubuntu0.18.04.2",
      "fix": "ovn-host 2.9.8-0ubuntu0.18.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-ovn-host-2.9.8-0ubuntu0.18.04.2",
      "released": "2021-02-09T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "python-openvswitch",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.9.8-0ubuntu0.18.04.2",
      "fix": "python-openvswitch 2.9.8-0ubuntu0.18.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-python-openvswitch-2.9.8-0ubuntu0.18.04.2",
      "released": "2021-02-09T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "python3-openvswitch",
      "release": "Ubuntu 18.04.6 LTS (bionic)",
      "fixedVersion": "2.9.8-0ubuntu0.18.04.2",
      "fix": "python3-openvswitch 2.9.8-0ubuntu0.18.04.2",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-bionic-python3-openvswitch-2.9.8-0ubuntu0.18.04.2",
      "released": "2021-02-09T16:00:00Z"
    },
    {
      "platform": "linux",
      "product": "python3-openvswitch",
      "release": "Ubuntu 20.04 LTS (focal)",
      "fixedVersion": "2.13.1-0ubuntu0.20.04.4",
      "fix": "python3-openvswitch 2.13.1-0ubuntu0.20.04.4",
      "url": "https://patchblox.com/security/fix/linux/ubuntu-focal-python3-openvswitch-2.13.1-0ubuntu0.20.04.4",
      "released": "2021-02-09T16:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T00:53:09Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}