{"action":"Upgrade grub2 to 2.14-1 or later.","affected":[{"fixed":"2.14-1","introduced":"0"}],"component":"grub2","cve_ids":[],"ecosystem":"Debian","ecosystem_qualifier":"Debian:14","exploited":false,"fixed_versions":["2.14-1"],"id":"tcs_01M5NP1WSET570WYAXC95SP610","modified_at":"2026-10-23T18:04:13.540603068Z","published_at":"2025-11-18T19:15:49.200Z","references":["https://osv.dev/vulnerability/DEBIAN-CVE-2025-54770","https://security-tracker.debian.org/tracker/CVE-2025-54770"],"severity":{"label":"medium","score":4.9},"sources":[{"source":"osv","source_id":"DEBIAN-CVE-2025-54770#Debian:14/grub2","url":"https://osv.dev/vulnerability/DEBIAN-CVE-2025-54770"}],"summary":"A vulnerability has been identified in the GRUB2 bootloader's network module that poses an immediate Denial of Service (DoS) risk. This flaw is a Use-after-Free issue, caused because the net_set_vlan"}