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 ()
VectorCVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:C/C:H/I:N/A:N
Last modified2026-07-21
Sourced from NVD. Curated for EU compliance use cases by Adam Lundqvist, Founder at SQUR.