CVE-2024-56737

HIGH

Published Dec 29, 2024 Modified Jun 24, 2025 CWE-122

Description

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.

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CVSS v3.1 Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-122 CWE-122

Affected Products

Vendor	Product	Versions
gnu	grub2	< 2.12

References

Other References

https://savannah.gnu.org/bugs/?66599

Frequently Asked Questions

What is CVE-2024-56737? +

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. It has a CVSS v3.1 base score of 8.8 (HIGH).

How severe is CVE-2024-56737? +

CVE-2024-56737 has a CVSS v3.1 score of 8.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2024-56737? +

CVE-2024-56737 affects products from gnu, specifically: grub2. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-56737? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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