{"action":"Upgrade expat to 2.4.3-1 or later.","affected":[{"fixed":"2.4.3-1","introduced":"0"}],"component":"expat","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["2.4.3-1"],"id":"tcs_01M5NG37RA2DH2CDN90C0QCFME","modified_at":"2026-10-15T09:47:28.732997115Z","published_at":"2022-01-06T04:15:07.017Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2021-46143","https://security-tracker.debian.org/tracker/CVE-2021-46143"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2021-46143#Debian:13/expat","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2021-46143"}],"summary":"In doProlog in xmlparse.c in Expat (aka libexpat) before 2.4.3, an integer overflow exists for m_groupSize."}