Vulnerability Database

315,363

Total vulnerabilities in the database

CVE-2025-54771

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 reference to a file system structure. An attacker could exploit this vulnerability to cause grub to crash, leading to a Denial of Service. Possible data integrity or confidentiality compromise is not discarded.

  • Published: Nov 18, 2025
  • Updated: Nov 19, 2025
  • CVE: CVE-2025-54771
  • Severity: Low
  • Exploit:

CVSS v3:

  • Severity: Low
  • Score: 4.9
  • AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L

CWEs: