{"action":"Upgrade python3.13 to 3.13.5-2+deb13u2 or later.","affected":[{"fixed":"3.13.5-2+deb13u2","introduced":"0"}],"component":"python3.13","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["3.13.5-2+deb13u2"],"id":"tcs_01M5NS05WZBVMET57T4RE13GG6","modified_at":"2026-10-01T03:03:11.981150697Z","published_at":"2026-03-16T18:16:10.070Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-4224","https://security-tracker.debian.org/tracker/CVE-2026-4224"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-4224#Debian:13/python3.13","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-4224"}],"summary":"When an Expat parser with a registered ElementDeclHandler parses an inline document type definition containing a deeply nested content model a C stack overflow occurs."}