CVE-2024-56737
High
Published: 29 December 2024
Published
29 December 2024
Modified
24 June 2025
KEV Added
—
Patch
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CVSS Score v3.1
8.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS Score
0.0020
42.3th percentile
Risk Priority
18
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2024-56737 is a high-severity Heap-based Buffer Overflow (CWE-122) vulnerability in Gnu Grub2. Its CVSS base score is 8.8 (High).
Operationally, ranked at the 42.3th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2024-53380
Vulnerability details
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.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
gnu
grub2
≤ 2.12
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.