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CVE-2025-61662

Grub2: missing unregister call for gettext command may lead to use-after-free

Published: Nov 18, 2025Updated: May 20, 2026 Sources: CVE List NVD BDUCWE-416
NVD MITRE
7.8CVSSHIGH
EPSS Score
0.2%
Top 91.4%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

A Use-After-Free vulnerability has been discovered in GRUB's gettext module. This flaw stems from a programming error where the gettext command remains registered in memory after its module is unloaded. An attacker can exploit this condition by invoking the orphaned command, causing the application to access a memory location that is no longer valid. An attacker could exploit this vulnerability to cause grub to crash, leading to a Denial of Service. Possible data integrity or confidentiality compromise is not discarded.

CVSS Vector Breakdown

AV:LAC:LPR:LUI:NS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-416

Affected Products

grub2GNUOSS Libraries
Red Hat Enterprise Linux 10Red Hat
On-premOS
Operating Systems / linux-distro
Red Hat Enterprise Linux 10.0 Extended Update SupportRed Hat
On-premOS
Operating Systems / linux-distro
Red Hat Enterprise Linux 7 Extended Lifecycle SupportRed Hat
On-premOS
Operating Systems / linux-distro
Red Hat Enterprise Linux 8Red Hat
On-premOS
Operating Systems / linux-distro
gnuoss-projectUSOSS Librariesaka g. nu
red hatcommercialUSOperating Systemsaka red hat
and 29 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available
Workaround Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://access.redhat.com/errata/RHSA-2026:10097
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:14773
access.redhat.com
https://access.redhat.com/errata/RHSA-2026:15087
access.redhat.com
and 28 more references View all →

Timeline

Published
Nov 18, 2025
Last Updated
May 20, 2026

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