{"action":"Upgrade libvirt to 11.3.0-3+deb13u3 or later.","affected":[{"fixed":"11.3.0-3+deb13u3","introduced":"0"}],"component":"libvirt","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:13","exploited":false,"fixed_versions":["11.3.0-3+deb13u3"],"id":"tcs_01M5NTA518H1ZDG83DBJ5BYN46","modified_at":"2026-10-01T03:02:42.330419408Z","published_at":"2026-08-10T17:17:35.413Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-63623","https://security-tracker.debian.org/tracker/CVE-2026-63623"],"severity":{"label":"medium","score":5.5},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-63623#Debian:13/libvirt","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-63623"}],"summary":"A flaw was found in libvirt. During storage volume clone or convert operations, newly created volume images were temporarily world-readable. This was caused by the `qemu-img` utility running with over"}