{"action":"Upgrade libyang to 1.0.184-r1 or later.","affected":[{"fixed":"1.0.184-r1","introduced":"0"}],"component":"libyang","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.13","exploited":false,"fixed_versions":["1.0.184-r1"],"id":"tcs_01M6GV9ZC9938EPS00XJYJB7KG","modified_at":"2026-11-03T06:32:38.931410787Z","published_at":"2021-05-20T19:15:07.710Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2021-28905","https://security.alpinelinux.org/vuln/CVE-2021-28905"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2021-28905","url":"https://osv.dev/vulnerability/ALPINE-CVE-2021-28905"}],"summary":"In function lys_node_free() in libyang <= v1.0.225, it asserts that the value of node->module can't be NULL. But in some cases, node->module can be null, which triggers a reachable assertion (CWE-617)"}