{"action":"Upgrade xen to 4.8.0-1 or later.","affected":[{"fixed":"4.8.0-1","introduced":"0"}],"component":"xen","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["4.8.0-1"],"id":"tcs_01M5NBT87RPBK659211ECT951C","modified_at":"2026-09-22T07:00:12.643117824Z","published_at":"2017-01-23T21:59:02.707Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2016-9379","https://security-tracker.debian.org/tracker/CVE-2016-9379"],"severity":{"label":"high","score":7.9},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2016-9379#Debian:13/xen","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2016-9379"}],"summary":"The pygrub boot loader emulator in Xen, when S-expression output format is requested, allows local pygrub-using guest OS administrators to read or delete arbitrary files on the host via string quotes"}