{"action":"Upgrade expat to 2.8.4-r0 or later.","affected":[{"fixed":"2.8.4-r0","introduced":"0"}],"component":"expat","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.21","exploited":false,"fixed_versions":["2.8.4-r0"],"id":"tcs_01M5NFYWXZTYCC0HW9E3XENG19","modified_at":"2026-10-01T02:17:49.389480731Z","published_at":"2026-08-18T15:16:57Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2026-66046","https://security.alpinelinux.org/vuln/CVE-2026-66046"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2026-66046","url":"https://osv.dev/vulnerability/ALPINE-CVE-2026-66046"}],"summary":"Expat through 2.8.3 contains a denial of service vulnerability caused by quadratic algorithmic complexity in the storeAtts() function in xmlparse.c, where processing N specified attributes with non-no"}