{"action":"Upgrade xen to 4.4.0-1 or later.","affected":[{"fixed":"4.4.0-1","introduced":"0"}],"component":"xen","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["4.4.0-1"],"id":"tcs_01M5NAGSENZX2K8JM80JE94502","modified_at":"2026-09-01T20:03:18.205234062Z","published_at":"2013-10-01T17:55:03.523Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2013-4355","https://security-tracker.debian.org/tracker/CVE-2013-4355"],"severity":{"label":"unknown"},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2013-4355","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2013-4355"}],"summary":"Xen 4.3.x and earlier does not properly handle certain errors, which allows local HVM guests to obtain hypervisor stack memory via a (1) port or (2) memory mapped I/O write or (3) other unspecified op"}