{"action":"Upgrade expat to 2.8.2-1 or later.","affected":[{"fixed":"2.8.2-1","introduced":"0"}],"component":"expat","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["2.8.2-1"],"id":"tcs_01M5NT1TGESSGFEAGGBCENDAQ1","modified_at":"2026-10-01T03:03:27.057682094Z","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:14/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"}