{"action":"Upgrade libyang to 3.4.2+dfsg-2 or later.","affected":[{"fixed":"3.4.2+dfsg-2","introduced":"0"}],"component":"libyang","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["3.4.2+dfsg-2"],"id":"tcs_01M5NFHWWA6AZ3Q6G70BZ5G085","modified_at":"2026-10-23T18:03:25.813881236Z","published_at":"2021-05-20T19:15:07.637Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-28903","https://security-tracker.debian.org/tracker/CVE-2021-28903"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-28903#Debian:14/libyang","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-28903"}],"summary":"A stack overflow in libyang <= v1.0.225 can cause a denial of service through function lyxml_parse_mem(). lyxml_parse_elem() function will be called recursively, which will consume stack space and lea"}