{"action":"Upgrade expat to 2.5.0-1+deb12u1 or later.","affected":[{"fixed":"2.5.0-1+deb12u1","introduced":"0"}],"component":"expat","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["2.5.0-1+deb12u1"],"id":"tcs_01M5NM19S80K1ZA8T9R0H93BSW","modified_at":"2026-11-02T12:02:49.034788656Z","published_at":"2024-08-30T03:15:03.850Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2024-45491","https://security-tracker.debian.org/tracker/CVE-2024-45491"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2024-45491","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2024-45491"}],"summary":"An issue was discovered in libexpat before 2.6.3. dtdCopy in xmlparse.c can have an integer overflow for nDefaultAtts on 32-bit platforms (where UINT_MAX equals SIZE_MAX)."}