{"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_01M5NE4T3XKBTSHDR4HAQH29ND","modified_at":"2026-09-21T07:03:17.638551236Z","published_at":"2020-01-22T22:15:10.550Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2019-20397","https://security-tracker.debian.org/tracker/CVE-2019-20397"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2019-20397#Debian:14/libyang","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2019-20397"}],"summary":"A double-free is present in libyang before v1.0-r1 in the function yyparse() when an organization field is not terminated. Applications that use libyang to parse untrusted input yang files may be vuln"}