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No exploitation reportedFix available

CVE-2024-56737

No exploitation reported by the sources we read.

  • Published2024-12-29
  • WeaknessCWE-122

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2024-12-2907:15CVE publishedNVD

Observed activity

isMalicious corpus · updated 2026-11-03 15:37 UTC
Indicators tagged with this CVE, per day0 indicators over 7 days
Block these indicators
  • Firewall list (EDL, text): https://api.ismalicious.com/edl/cve/CVE-2024-56737?format=txt
  • CSV export: https://api.ismalicious.com/edl/cve/CVE-2024-56737?format=csv
  • TAXII collection of exploited CVEs
  • The EDL and CSV take an API key on the Pro plan.

Versions per branch

NVD
Gnu grub2
BranchAffectedFixed in
2.12≤ 2.12no fix published

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Products declared by the CNA1 product

As mitre, the CNA that assigned this CVE, declared them in the CVE record; versions as written.

  • GNU GRUB2other versions: unknown
    Affected
    • ≥ 2.00, ≤ 2.12no fix statedcustom

Source: the CNA record (CVE Program), © The MITRE Corporation,CVE Terms of UseCVE recordupdated 2024-12-29

Distribution builds and vendor advisories

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

  • grubAlpaquita:streamfrom 2.06-r14 · fixed in 2.12-r10
  • grubAlpaquita:23from 2.06-r9 · fixed in 2.12-r8
  • grub2Ubuntu:Pro:14.04:LTSall versions · no fixed version listedand 1 other package
  • grub2TuxCare:RHEL:7all versions · fixed in 1:2.02-0.87.el7_9.14.tuxcare.els1and 12 other packages
  • grub2SUSE:Manager Server Module 4.3all versions · fixed in 2.06-150400.11.55.2
  • grub2SUSE:Manager Server 4.3all versions · fixed in 2.06-150400.11.55.2
  • grub2SUSE:Manager Proxy Module 4.3all versions · fixed in 2.06-150400.11.55.2
  • grub2SUSE:Manager Proxy 4.3all versions · fixed in 2.06-150400.11.55.2

44 more package ranges on OSV.dev

Full record on NVD

Fix

No fix published by the sources we read yet. NVD record

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof-of-concept repositories
none listed
PoC-in-GitHub
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
2024-12-29
Last Modified
2026-06-17
NVD status
Analyzed
GitHub Advisory
GHSA-9vr3-263w-c6mj

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.

Is CVE-2024-56737 actively exploited?

Active exploitation of CVE-2024-56737 has not been confirmed. Its EPSS score was 0.7% on 2026-11-03, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2024-56737?

CVE-2024-56737 has a CVSS v3 base score of 8.8 (HIGH severity), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

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Sources for this record