{"action":"Upgrade lua5.4 to 5.4.4-1 or later.","affected":[{"fixed":"5.4.4-1","introduced":"0"}],"component":"lua5.4","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["5.4.4-1"],"id":"tcs_01M5NG1FRWWJEWBAKBCZ08MST1","modified_at":"2026-10-23T18:04:00.311310282Z","published_at":"2021-11-09T13:15:08.500Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-43519","https://security-tracker.debian.org/tracker/CVE-2021-43519"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-43519","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-43519"}],"summary":"Stack overflow in lua_resume of ldo.c in Lua Interpreter 5.1.0~5.4.4 allows attackers to perform a Denial of Service via a crafted script file."}