{"$ref":"https://www.cert.ssi.gouv.fr/openapi.json","affected_systems":[{"description":"Xen versions 4.19.x et 4.20.x sans le correctif de s\u00e9curit\u00e9 xsa488-4.20.patch","product":{"name":"Xen","vendor":{"name":"XEN","scada":false}}},{"description":"Xen versions 4.18.x avec le correctif de s\u00e9curit\u00e9 xsa488-4.18.patch","product":{"name":"Xen","vendor":{"name":"XEN","scada":false}}},{"description":"Xen versions xen-unstable et 4.21.x sans le correctif de s\u00e9curit\u00e9 xsa488.patch","product":{"name":"Xen","vendor":{"name":"XEN","scada":false}}},{"description":"Xen versions 4.17.x avec le correctif de s\u00e9curit\u00e9 xsa488-4.17.patch","product":{"name":"Xen","vendor":{"name":"XEN","scada":false}}}],"affected_systems_content":"","content":"## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l'\u00e9diteur pour l'obtention des correctifs (cf. section Documentation).","cves":[{"name":"CVE-2025-54505","url":"https://www.cve.org/CVERecord?id=CVE-2025-54505"}],"links":[],"reference":"CERTFR-2026-AVI-0460","revisions":[{"description":"Version initiale","revision_date":"2026-04-20T00:00:00.000000"}],"risks":[{"description":"Atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es"}],"summary":"Une vuln\u00e9rabilit\u00e9 a \u00e9t\u00e9 d\u00e9couverte dans Xen. Elle permet \u00e0 un attaquant de provoquer une atteinte \u00e0 la confidentialit\u00e9 des donn\u00e9es.","title":"Vuln\u00e9rabilit\u00e9 dans Xen","vendor_advisories":[{"published_at":"2026-04-17","title":"Bulletin de s\u00e9curit\u00e9 Xen xsa/advisory-488","url":"https://xenbits.xen.org/xsa/advisory-488.html"}]}