{"action":"Upgrade expat to 2.8.2-1~deb13u1 or later.","affected":[{"fixed":"2.8.2-1~deb13u1","introduced":"0"}],"component":"expat","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["2.8.2-1~deb13u1"],"id":"tcs_01M5NT1TCY9NABTTYXZX9SAC5W","modified_at":"2026-10-26T11:47:31.017285240Z","published_at":"2026-06-21T17:16:44.657Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-56412","https://security-tracker.debian.org/tracker/CVE-2026-56412"],"severity":{"label":"medium","score":5.9},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-56412#Debian:13/expat","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-56412"}],"summary":"libexpat before 2.8.2 does not consider XML_TOK_DATA_CHARS in doCdataSection and thus lacks handler call depth tracking for various calls from within handlers in cases of a policy violation. Thus, a u"}