{"action":"Upgrade xen to 4.16.3-r0 or later.","affected":[{"fixed":"4.16.3-r0","introduced":"0"}],"component":"xen","cve_ids":[],"ecosystem":"Alpine","ecosystem_qualifier":"Alpine:v3.16","exploited":false,"fixed_versions":["4.16.3-r0"],"id":"tcs_01M5NECA996RWF6ZZV0W770AKQ","modified_at":"2026-11-03T07:18:33.746860585Z","published_at":"2022-11-01T13:15:11.870Z","references":["https://osv.dev/vulnerability/ALPINE-CVE-2022-42321","https://security.alpinelinux.org/vuln/CVE-2022-42321"],"severity":{"label":"medium","score":6.5},"sources":[{"source":"osv","source_id":"ALPINE-CVE-2022-42321#Alpine:v3.16/xen","url":"https://osv.dev/vulnerability/ALPINE-CVE-2022-42321"}],"summary":"Xenstore: Guests can crash xenstored via exhausting the stack Xenstored is using recursion for some Xenstore operations (e.g. for deleting a sub-tree of Xenstore nodes). With sufficiently deep nesting"}