{"action":"Upgrade expat to 2.6.3-r0 or later.","affected":[{"fixed":"2.6.3-r0","introduced":"0"}],"component":"expat","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.22","exploited":false,"fixed_versions":["2.6.3-r0"],"id":"tcs_01M5NF5AZ58M7HS1PHPQVAFJB4","modified_at":"2026-09-15T08:17:48.479995430Z","published_at":"2024-08-30T03:15:03.850Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2024-45491","https://security.alpinelinux.org/vuln/CVE-2024-45491"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2024-45491#Alpine:v3.22/expat","url":"https://osv.dev/vulnerability/ALPINE-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)."}