{"action":"Upgrade xen to 4.11.1-r0 or later.","affected":[{"fixed":"4.11.1-r0","introduced":"0"}],"component":"xen","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.17","exploited":false,"fixed_versions":["4.11.1-r0"],"id":"tcs_01M5NAN2FFSS2MNRWDWWTP40J4","modified_at":"2026-10-23T17:17:55.240946128Z","published_at":"2018-12-08T04:29:00.327Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2018-19963","https://security.alpinelinux.org/vuln/CVE-2018-19963"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2018-19963#Alpine:v3.17/xen","url":"https://osv.dev/vulnerability/ALPINE-CVE-2018-19963"}],"summary":"An issue was discovered in Xen 4.11 allowing HVM guest OS users to cause a denial of service (host OS crash) or possibly gain host OS privileges because x86 IOREQ server resource accounting (for exter"}