{"action":"Upgrade expat to 2.10.0-r0 or later.","affected":[{"fixed":"2.10.0-r0","introduced":"0"}],"component":"expat","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.23","exploited":false,"fixed_versions":["2.10.0-r0"],"id":"tcs_01M6F00D0TCFJX5GYJ9AKQEQJ7","modified_at":"2026-11-02T14:30:02.457386804Z","published_at":"2026-10-28T03:17:13.293Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2026-118370","https://security.alpinelinux.org/vuln/CVE-2026-118370"],"severity":{"label":"medium","score":5.9},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2026-118370#Alpine:v3.23/expat","url":"https://osv.dev/vulnerability/ALPINE-CVE-2026-118370"}],"summary":"libexpat through 2.9.0 contains a signed integer overflow vulnerability in storeAtts() in lib/xmlparse.c that allows attackers to trigger out-of-bounds writes via oversized attribute counts. Attackers"}