{"id":"CVE-2016-5363","details":"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.","aliases":["GHSA-9pp3-cvmq-9p22","PYSEC-2026-852"],"modified":"2026-07-08T12:41:11.488584Z","published":"2016-06-17T15:59:04.320Z","related":["SUSE-SU-2016:2143-1"],"references":[{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2016/06/10/5"},{"type":"WEB","url":"http://www.openwall.com/lists/oss-security/2016/06/10/6"},{"type":"WEB","url":"https://bugs.launchpad.net/neutron/+bug/1558658"},{"type":"WEB","url":"https://review.openstack.org/#/c/299021/"},{"type":"WEB","url":"https://review.openstack.org/#/c/299023/"},{"type":"WEB","url":"https://review.openstack.org/#/c/299025/"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2016:1473"},{"type":"ADVISORY","url":"https://access.redhat.com/errata/RHSA-2016:1474"},{"type":"ADVISORY","url":"https://security.openstack.org/ossa/OSSA-2016-009.html"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/openstack/neutron","events":[{"introduced":"6dcfe3a9362ae5fcf18e5cfb59663e43446cd59c"},{"last_affected":"a323769143001d67fd1b3b4ba294e59accd09e0e"}],"database_specific":{"cpe":["cpe:2.3:a:openstack:neutron:7.0.0:*:*:*:*:*:*:*","cpe:2.3:a:openstack:neutron:7.0.1:*:*:*:*:*:*:*","cpe:2.3:a:openstack:neutron:7.0.2:*:*:*:*:*:*:*","cpe:2.3:a:openstack:neutron:7.0.3:*:*:*:*:*:*:*","cpe:2.3:a:openstack:neutron:7.0.4:*:*:*:*:*:*:*","cpe:2.3:a:openstack:neutron:8.0.0:*:*:*:*:*:*:*","cpe:2.3:a:openstack:neutron:8.1.0:*:*:*:*:*:*:*"],"extracted_events":[{"introduced":"7.0.0"},{"last_affected":"7.0.0"},{"introduced":"7.0.1"},{"last_affected":"7.0.1"},{"introduced":"7.0.2"},{"last_affected":"7.0.2"},{"introduced":"7.0.3"},{"last_affected":"7.0.3"},{"introduced":"7.0.4"},{"last_affected":"7.0.4"},{"introduced":"8.0.0"},{"last_affected":"8.0.0"},{"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"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H"}]}