{"action":"Upgrade expat to 2.8.0-2 or later.","affected":[{"fixed":"2.8.0-2","introduced":"0"}],"component":"expat","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["2.8.0-2"],"id":"tcs_01M5NS9828177C5DVPH7EDQRH2","modified_at":"2026-10-01T03:03:05.984334677Z","published_at":"2026-05-10T07:16:07.883Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-45186","https://security-tracker.debian.org/tracker/CVE-2026-45186"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-45186#Debian:14/expat","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-45186"}],"summary":"In libexpat before 2.8.1, the computational complexity of attribute name collision checks allows a denial of service via moderately sized crafted XML input."}