What is CVE-2025-61663?

CVE-2025-61663 is a medium-severity vulnerability in Gnu Grub2, classified under CWE-825. CVSS score: 4.9/10. Published 2025-11-18.

How severe is CVE-2025-61663?

Medium severity. CVSS v3 base score is 4.9 out of 10.

Vulnerability in Gnu Grub2

CVE-2025-61663

A vulnerability has been identified in the GRUB2 bootloader's normal command that poses an immediate Denial of Service (DoS) risk. This flaw is a Use-after-Free issue, caused because the normal command is not properly unregistered when the…

EPSS: 0.000 (6.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.9 (Medium). Vector: CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L.

Affected products

Gnu Grub2 — versions 0
Red Hat Enterprise Linux 10
Red Hat Enterprise Linux 7
Red Hat Enterprise Linux 8
Red Hat Enterprise Linux 9
Red Hat Openshift Container Platform 4

Weakness classification (CWE)

CWE-825

References

access.redhat.com/security/cve/CVE-2025-61663 (vdb-entry, x_refsource_REDHAT)
RHBZ#2414684 (issue-tracking, x_refsource_REDHAT)

Frequently asked questions

What is CVE-2025-61663?: CVE-2025-61663 is a medium-severity vulnerability in Gnu Grub2, classified under CWE-825. CVSS score: 4.9/10. Published 2025-11-18.
How severe is CVE-2025-61663?: Medium severity. CVSS v3 base score is 4.9 out of 10.