{"action":"Upgrade frr to 8.4.4-1 or later.","affected":[{"fixed":"8.4.4-1","introduced":"0"}],"component":"frr","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["8.4.4-1"],"id":"tcs_01M5NJ6416F3KBYZ806GNJ23GB","modified_at":"2026-10-26T18:03:06.037728853Z","published_at":"2023-11-06T06:15:40.850Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2023-38406","https://security-tracker.debian.org/tracker/CVE-2023-38406"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2023-38406#Debian:13/frr","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2023-38406"}],"summary":"bgpd/bgp_flowspec.c in FRRouting (FRR) before 8.4.3 mishandles an nlri length of zero, aka a \"flowspec overflow.\""}