{"action":"Upgrade xen to 4.20.4+39-gf1e1321c87-0+deb13u1 or later.","affected":[{"fixed":"4.20.4+39-gf1e1321c87-0+deb13u1","introduced":"0"}],"component":"xen","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["4.20.4+39-gf1e1321c87-0+deb13u1"],"id":"tcs_01M5NVMMN41Q3FCSJWZYW531K4","modified_at":"2026-11-04T23:02:29.630500807Z","published_at":"2026-09-08T13:17:27.157Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-79602","https://security-tracker.debian.org/tracker/CVE-2026-79602"],"severity":{"label":"high","score":8.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-79602#Debian:13/xen","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-79602"}],"summary":"A guest with a PCI device assigned that has at least a BAR on the IO port space can trigger a BUG() in Xen."}