How serious is CVE-2025-61662?

This vulnerability has a CVSS score of 7.8 out of 10, classified as HIGH severity. Proof-of-concept exploit code is publicly available, making this an active threat.

Is there exploit code available for CVE-2025-61662?

Yes, proof-of-concept exploit code for CVE-2025-61662 is publicly available on GitHub and security research platforms. This increases the risk of active exploitation.

Which products are affected by CVE-2025-61662?

CVE-2025-61662 affects gnu grub2. Check the full CVE details for specific version information.

How do I fix CVE-2025-61662?

To remediate CVE-2025-61662, check for security patches from gnu. Apply all available updates and security patches. If no patch is available, implement recommended workarounds or security controls to mitigate the risk.

CVE-2025-61662

High

|7.8

Exploit Available

Plain English Summary

AI-powered analysis for quick understanding

An attacker can exploit a flaw in GRUB's gettext module to crash the system, leading to a Denial of Service. This happens because the system mistakenly keeps a command in memory after it should have been removed, allowing the attacker to trigger errors when that command is called.

Technical 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exploit this condition by invoking the orphaned command, causing the application to access a memory location that is no longer valid.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 Analysis

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

Confidentiality ImpactHigh

Integrity ImpactHigh

Availability ImpactHigh

ScopeUnchanged

Vector String

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Resources

Search for proof-of-concept code and exploit modules

GitHub Search Exploit-DB Nuclei Templates Metasploit Vulners

Official References

NIST NVD

Est. Bounty

$2,684($1K-$5K)

Vendor Response

Grade FPatched in 118 days

Quick Information

Published

Nov 18, 2025

5 months ago

Last Modified

Mar 17, 2026

22 days ago

Vendor

gnu

Product

grub2

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