{"id":"CVE-2023-38406","details":"bgpd/bgp_flowspec.c in FRRouting (FRR) before 8.4.3 mishandles an nlri length of zero, aka a \"flowspec overflow.\"","modified":"2026-04-10T04:59:02.207550Z","published":"2023-11-06T06:15:40.850Z","related":["ALSA-2024:0130","ALSA-2024:0477","SUSE-SU-2023:4663-1","SUSE-SU-2024:2245-1","SUSE-SU-2024:4090-1","openSUSE-SU-2024:13487-1"],"references":[{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2024/04/msg00019.html"},{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2024/09/msg00007.html"},{"type":"FIX","url":"https://github.com/FRRouting/frr/compare/frr-8.4.2...frr-8.4.3"},{"type":"FIX","url":"https://github.com/FRRouting/frr/pull/12884"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/frrouting/frr","events":[{"introduced":"0"},{"fixed":"933b8347fb4aadf53bd23aaae6bee6edc6ce72b8"}],"database_specific":{"versions":[{"introduced":"0"},{"fixed":"8.4.3"}]}}],"versions":["7.1_pulled","8.1-dev","base_7.2","base_7.3","base_7.4","base_7.5","base_7.6","base_8.0","base_8.1","base_8.2","base_8.3","base_8.4","docker/8.4.1","docker/8.4.2","frr-3.0-branchpoint","frr-3.1-dev","frr-5.1-dev","frr-6.1-dev","frr-7.1-dev","frr-7.2-dev","frr-7.3-dev","frr-7.4-dev","frr-7.5-dev","frr-7.6-dev","frr-8.0-dev","frr-8.1-dev","frr-8.1-rc1","frr-8.2-dev","frr-8.3-dev","frr-8.4","frr-8.4-dev","frr-8.4.1","frr-8.4.2","reindent-master-after","reindent-master-before"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-38406.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"}]}