{"action":"Upgrade libyang to 1.0.176-1 or later.","affected":[{"fixed":"1.0.176-1","introduced":"0"}],"component":"libyang","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["1.0.176-1"],"id":"tcs_01M5NE4SWSD6GRR6XHX6J6P033","modified_at":"2026-09-21T07:03:17.652966596Z","published_at":"2020-01-22T22:15:10.470Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2019-20396","https://security-tracker.debian.org/tracker/CVE-2019-20396"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2019-20396#Debian:14/libyang","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2019-20396"}],"summary":"A segmentation fault is present in yyparse in libyang before v1.0-r1 due to a malformed pattern statement value during lys_parse_path parsing."}