{"action":"Upgrade expat to 2.4.3-r0 or later.","affected":[{"fixed":"2.4.3-r0","introduced":"0"}],"component":"expat","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.20","exploited":false,"fixed_versions":["2.4.3-r0"],"id":"tcs_01M5NDJYDF9866ZEC7MCT77P89","modified_at":"2026-10-23T17:17:56.230389404Z","published_at":"2022-01-06T04:15:07.017Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2021-46143","https://security.alpinelinux.org/vuln/CVE-2021-46143"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2021-46143#Alpine:v3.20/expat","url":"https://osv.dev/vulnerability/ALPINE-CVE-2021-46143"}],"summary":"In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize."}