{"id":"USN-4729-1","summary":"openvswitch vulnerability","details":"Joakim Hindersson discovered that Open vSwitch incorrectly parsed certain\nnetwork packets. A remote attacker could use this issue to cause a denial\nof service, or possibly alter packet classification.\n","modified":"2026-02-10T04:42:03Z","published":"2021-02-10T15:21:32Z","related":["UBUNTU-CVE-2020-35498"],"upstream":["CVE-2020-35498","UBUNTU-CVE-2020-35498"],"references":[{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-4729-1"},{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2020-35498"}],"affected":[{"package":{"name":"openvswitch","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/openvswitch@2.5.9-0ubuntu0.16.04.3?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.5.9-0ubuntu0.16.04.3"}]}],"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"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"2.5.9-0ubuntu0.16.04.3","binary_name":"openvswitch-common"},{"binary_version":"2.5.9-0ubuntu0.16.04.3","binary_name":"openvswitch-ipsec"},{"binary_version":"2.5.9-0ubuntu0.16.04.3","binary_name":"openvswitch-pki"},{"binary_version":"2.5.9-0ubuntu0.16.04.3","binary_name":"openvswitch-switch"},{"binary_version":"2.5.9-0ubuntu0.16.04.3","binary_name":"openvswitch-switch-dpdk"},{"binary_version":"2.5.9-0ubuntu0.16.04.3","binary_name":"openvswitch-test"},{"binary_version":"2.5.9-0ubuntu0.16.04.3","binary_name":"openvswitch-testcontroller"},{"binary_version":"2.5.9-0ubuntu0.16.04.3","binary_name":"openvswitch-vtep"},{"binary_version":"2.5.9-0ubuntu0.16.04.3","binary_name":"ovn-central"},{"binary_version":"2.5.9-0ubuntu0.16.04.3","binary_name":"ovn-common"},{"binary_version":"2.5.9-0ubuntu0.16.04.3","binary_name":"ovn-docker"},{"binary_version":"2.5.9-0ubuntu0.16.04.3","binary_name":"ovn-host"},{"binary_version":"2.5.9-0ubuntu0.16.04.3","binary_name":"python-openvswitch"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:16.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2020-35498"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4729-1.json"}},{"package":{"name":"openvswitch","ecosystem":"Ubuntu:18.04:LTS","purl":"pkg:deb/ubuntu/openvswitch@2.9.8-0ubuntu0.18.04.2?arch=source&distro=bionic"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.9.8-0ubuntu0.18.04.2"}]}],"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"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_version":"2.9.8-0ubuntu0.18.04.2","binary_name":"openvswitch-common"},{"binary_version":"2.9.8-0ubuntu0.18.04.2","binary_name":"openvswitch-pki"},{"binary_version":"2.9.8-0ubuntu0.18.04.2","binary_name":"openvswitch-switch"},{"binary_version":"2.9.8-0ubuntu0.18.04.2","binary_name":"openvswitch-switch-dpdk"},{"binary_version":"2.9.8-0ubuntu0.18.04.2","binary_name":"openvswitch-test"},{"binary_version":"2.9.8-0ubuntu0.18.04.2","binary_name":"openvswitch-testcontroller"},{"binary_version":"2.9.8-0ubuntu0.18.04.2","binary_name":"openvswitch-vtep"},{"binary_version":"2.9.8-0ubuntu0.18.04.2","binary_name":"ovn-central"},{"binary_version":"2.9.8-0ubuntu0.18.04.2","binary_name":"ovn-common"},{"binary_version":"2.9.8-0ubuntu0.18.04.2","binary_name":"ovn-controller-vtep"},{"binary_version":"2.9.8-0ubuntu0.18.04.2","binary_name":"ovn-docker"},{"binary_version":"2.9.8-0ubuntu0.18.04.2","binary_name":"ovn-host"},{"binary_version":"2.9.8-0ubuntu0.18.04.2","binary_name":"python-openvswitch"},{"binary_version":"2.9.8-0ubuntu0.18.04.2","binary_name":"python3-openvswitch"}]},"database_specific":{"cves_map":{"ecosystem":"Ubuntu:18.04:LTS","cves":[{"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}],"id":"CVE-2020-35498"}]},"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/usn/USN-4729-1.json"}},{"package":{"name":"openvswitch","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/openvswitch@2.13.1-0ubuntu0.20.04.4?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.13.1-0ubuntu0.20.04.4"}]}],"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"],"ecosystem_specific":{"availability":"No subscription 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