{"action":"Upgrade xen to 4.4.1-5 or later.","affected":[{"fixed":"4.4.1-5","introduced":"0"}],"component":"xen","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["4.4.1-5"],"id":"tcs_01M5NAZP4YS98C2HERF05J6W4W","modified_at":"2026-10-23T15:47:25.672028614Z","published_at":"2014-12-01T15:59:08.797Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2014-8866","https://security-tracker.debian.org/tracker/CVE-2014-8866"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2014-8866#Debian:13/xen","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2014-8866"}],"summary":"The compatibility mode hypercall argument translation in Xen 3.3.x through 4.4.x, when running on a 64-bit hypervisor, allows local 32-bit HVM guests to cause a denial of service (host crash) via vect"}