{"action":"Upgrade xen to 4.12.2-r1 or later.","affected":[{"fixed":"4.12.2-r1","introduced":"0"}],"component":"xen","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.10","exploited":false,"fixed_versions":["4.12.2-r1"],"id":"tcs_01M5NC2P95GJ4SAT154HC9SSQC","modified_at":"2026-09-11T10:17:51.365931982Z","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","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-"}