{"id":"PYSEC-2020-185","details":"A double-free is present in libyang before v1.0-r1 in the function yyparse() when an empty description is used. Applications that use libyang to parse untrusted input yang files may be vulnerable to this flaw, which would cause a crash or potentially code execution.","modified":"2023-03-14T07:01:09.415018Z","published":"2020-01-22T22:15:00Z","withdrawn":"2023-03-14T07:01:09.415018Z","references":[{"type":"WEB","url":"https://github.com/CESNET/libyang/commit/d9feacc4a590d35dbc1af21caf9080008b4450ed"},{"type":"WEB","url":"https://github.com/CESNET/libyang/compare/v0.16-r3...v1.0-r1"},{"type":"WEB","url":"https://bugzilla.redhat.com/show_bug.cgi?id=1793930"},{"type":"WEB","url":"https://github.com/CESNET/libyang/issues/742"}],"schema_version":"1.7.3"}