{"action":"Upgrade frr to 8.4.4-1.1~deb12u1 or later.","affected":[{"fixed":"8.4.4-1.1~deb12u1","introduced":"0"}],"component":"frr","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["8.4.4-1.1~deb12u1"],"id":"tcs_01M5NJ63Y5H1JRCNHTB474SEHA","modified_at":"2026-10-23T18:04:25.504786174Z","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","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.\""}