Integer overflow in Gnu Grub2

CVE-2024-45778

A stack overflow flaw was found when reading a BFS file system. A crafted BFS filesystem may lead to an uncontrolled loop, causing grub2 to crash.

Vulnerability class: Integer Overflow

EPSS: 0.003 (20.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.1 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:H/UI:N/S:U/C:N/I:N/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2024-45778?
CVE-2024-45778 is a medium-severity vulnerability in Gnu Grub2, classified under Integer Overflow or Wraparound. CVSS score: 4.1/10. Published 2025-03-03.
How severe is CVE-2024-45778?
Medium severity. CVSS v3 base score is 4.1 out of 10.