{"action":"Upgrade xen to 4.20.4+39-gf1e1321c87-1 or later.","affected":[{"fixed":"4.20.4+39-gf1e1321c87-1","introduced":"0"}],"component":"xen","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["4.20.4+39-gf1e1321c87-1"],"id":"tcs_01M5NVMMRAC0TFGNRCT8PAFH5M","modified_at":"2026-10-21T23:00:09.277023418Z","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:14/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."}