CVE-2023-4693
CVE-2023-4693CVE-2023-4693
gnu / grub2
Description
An out-of-bounds read flaw was found on grub2's NTFS filesystem driver. This issue may allow a physically present attacker to present a specially crafted NTFS file system image to read arbitrary memory locations. A successful attack allows sensitive data cached in memory or EFI variable values to be leaked, presenting a high Confidentiality risk.
Scoring
| CVSS | 5.3 () |
| Vector | CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N |
| Last modified | 2026-07-21 |