High severity · published Dec 29, 2024
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
8.8
CVSS
0.7%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 54% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GR
GRUB2 · GNU
2.00 through 2.12 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2024-56737
CVE.org
https://www.cve.org/CVERecord?id=CVE-2024-56737
Issue Tracking
https://savannah.gnu.org/bugs/?66599
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