{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"bird2","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":[],"id":"tcs_01M5NSP476P9Y0X2SHBM888889","modified_at":"2026-10-01T03:02:42.689565050Z","published_at":"2026-06-02T17:16:37.657Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-49943","https://security-tracker.debian.org/tracker/CVE-2026-49943"],"severity":{"label":"medium","score":6.3},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-49943#Debian:13/bird2","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-49943"}],"summary":"CZ.NIC BIRD Internet Routing Daemon through 2.19.0 contains a stack-based buffer overflow in the BGP AS_PATH mask matching implementation in nest/a-path.c. The as_path_match() function uses a fixed-si"}