CVE-2024-56737: GNU GRUB2

High severity, CVSS 8.8. EPSS: 0.7% chance of exploitation in the next 30 days.

GNU GRUB (aka GRUB2) through 2.12 has a heap-based buffer overflow in fs/hfs.c via crafted sblock data in an HFS filesystem.

Affected products

• GNU GRUB2: up to and including 2.12

Published 2024-12-29. Last modified 2026-06-17.