{"action":"No fix published. Pin and monitor.","affected":[{"introduced":"0"}],"component":"grub2","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:12","exploited":false,"fixed_versions":[],"id":"tcs_01M5NP1WWXMXTN6FY5SW9E4TDF","modified_at":"2026-10-23T18:04:36.652376072Z","published_at":"2025-11-18T19:15:49.420Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-54771","https://security-tracker.debian.org/tracker/CVE-2025-54771"],"severity":{"label":"medium","score":4.9},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-54771","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-54771"}],"summary":"A use-after-free vulnerability has been identified in the GNU GRUB (Grand Unified Bootloader). The flaw occurs because the file-closing process incorrectly retains a memory pointer, leaving an invalid"}