{"action":"Upgrade libass to 1:0.15.0-2 or later.","affected":[{"fixed":"1:0.15.0-2","introduced":"0"}],"component":"libass","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["1:0.15.0-2"],"id":"tcs_01M5NF375N0HDXYCD0GQX9PDN6","modified_at":"2026-09-11T11:02:34.427299566Z","published_at":"2021-07-20T07:15:07.817Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2020-36430","https://security-tracker.debian.org/tracker/CVE-2020-36430"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2020-36430","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2020-36430"}],"summary":"libass 0.15.x before 0.15.1 has a heap-based buffer overflow in decode_chars (called from decode_font and process_text) because the wrong integer data type is used for subtraction."}