{"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:13","exploited":false,"fixed_versions":["1.0.176-1"],"id":"tcs_01M5NE4SD1FVT8E319SJNW8WPX","modified_at":"2026-09-21T07:03:17.652574418Z","published_at":"2020-01-22T22:15:10.330Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2019-20394","https://security-tracker.debian.org/tracker/CVE-2019-20394"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2019-20394","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2019-20394"}],"summary":"A double-free is present in libyang before v1.0-r3 in the function yyparse() when a type statement in used in a notification statement. Applications that use libyang to parse untrusted input yang file"}