{"action":"Upgrade xen to 4.17.2+76-ge1f9cb16e2-1~deb12u1 or later.","affected":[{"fixed":"4.17.2+76-ge1f9cb16e2-1~deb12u1","introduced":"0"}],"component":"xen","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":["4.17.2+76-ge1f9cb16e2-1~deb12u1"],"id":"tcs_01M5NHVMVXAAN3YY0RFVNCA949","modified_at":"2026-10-23T18:04:22.405234606Z","published_at":"2023-08-08T18:15:11.653Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2023-20588","https://security-tracker.debian.org/tracker/CVE-2023-20588"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2023-20588#Debian:12/xen","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2023-20588"}],"summary":"A division-by-zero error on some AMD processors can potentially return speculative data resulting in loss of confidentiality."}