{"id":"CVE-2019-20395","details":"A stack consumption issue is present in libyang before v1.0-r1 due to the self-referential union type containing leafrefs. Applications that use libyang to parse untrusted input yang files may crash.","modified":"2026-05-17T11:55:01.514064166Z","published":"2020-01-22T22:15:10.423Z","database_specific":{},"references":[{"type":"WEB","url":"https://lists.debian.org/debian-lts-announce/2023/09/msg00019.html"},{"type":"ADVISORY","url":"https://github.com/CESNET/libyang/commit/4e610ccd87a2ba9413819777d508f71163fcc237"},{"type":"ADVISORY","url":"https://github.com/CESNET/libyang/compare/v0.16-r3...v1.0-r1"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1793924"},{"type":"EVIDENCE","url":"https://github.com/CESNET/libyang/issues/724"}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"}]}