{"action":"Upgrade expat to 2.8.2-r0 or later.","affected":[{"fixed":"2.8.2-r0","introduced":"0"}],"component":"expat","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.24","exploited":false,"fixed_versions":["2.8.2-r0"],"id":"tcs_01M5NFVX40J93YB7G571ES9X63","modified_at":"2026-10-01T02:17:49.353924717Z","published_at":"2026-06-19T06:17:10.107Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2026-56131","https://security.alpinelinux.org/vuln/CVE-2026-56131"],"severity":{"label":"medium","score":4.9},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2026-56131#Alpine:v3.24/expat","url":"https://osv.dev/vulnerability/ALPINE-CVE-2026-56131"}],"summary":"libexpat before 2.8.2 lacks handler call depth tracking for calls to XML_ResumeParser from within handlers in cases of a policy violation. Thus, a use-after-free can occur (similar to the CVE-2026-502"}