{"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_01M5NQWS2ZYQDP0RNGX9FWQGXS","modified_at":"2026-10-06T10:00:26.320466203Z","published_at":"2026-08-20T10:16:40.507Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2026-18917","https://security-tracker.debian.org/tracker/CVE-2026-18917"],"severity":{"label":"high","score":7.8},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2026-18917#Debian:13/libvirt","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2026-18917"}],"summary":"A flaw was found in libvirt. An unprivileged local user could exploit an integer overflow vulnerability in the NodeGetFreePages RPC handler. This flaw allows crafted values to bypass a size check, lea"}