{"action":"Upgrade xen to 4.12.4-r0 or later.","affected":[{"fixed":"4.12.4-r0","introduced":"0"}],"component":"xen","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.10","exploited":false,"fixed_versions":["4.12.4-r0"],"id":"tcs_01M5NCKCM3GBFFGBJS0THEXBFK","modified_at":"2026-10-26T11:17:55.166600860Z","published_at":"2020-11-24T17:15:11.177Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2020-29040","https://security.alpinelinux.org/vuln/CVE-2020-29040"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2020-29040","url":"https://osv.dev/vulnerability/ALPINE-CVE-2020-29040"}],"summary":"An issue was discovered in Xen through 4.14.x allowing x86 HVM guest OS users to cause a denial of service (stack corruption), cause a data leak, or possibly gain privileges because of an off-by-one e"}