{"action":"Upgrade xen to 4.11.3-r2 or later.","affected":[{"fixed":"4.11.3-r2","introduced":"0"}],"component":"xen","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.9","exploited":false,"fixed_versions":["4.11.3-r2"],"id":"tcs_01M5NC2RZTJEA6954N57WK302T","modified_at":"2026-10-26T11:17:55.100397376Z","published_at":"2020-04-14T13:15:12.703Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2020-11739","https://security.alpinelinux.org/vuln/CVE-2020-11739"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2020-11739#Alpine:v3.9/xen","url":"https://osv.dev/vulnerability/ALPINE-CVE-2020-11739"}],"summary":"An issue was discovered in Xen through 4.13.x, allowing guest OS users to cause a denial of service or possibly gain privileges because of missing memory barriers in read-write unlock paths. The read-"}