Critical Vulnerability in util-linux Package: CVE-2026-53612

util-linux Updated 22 Oct 2026

Summary

17/06/2026
N/A
No i
Unrated
Not published

DEBIAN-CVE-2026-53612: ... Affects util-linux versions 2.41-5 – 2.42~rc2-1. No fix is published. How to fix ↓

Free scan

Check if this vulnerability affects your application

Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.

Check my app free

No signup required · Results in about 60 seconds

Upload your dependency manifest or SBOM

Drag & drop your file here or

Java Javascript PHP Python Go Rust Ruby Dart C/C++ Elixir CycloneDX SPDX

Upload a supported dependency manifest or SBOM. No installation or source-code access required.

See supported files and SBOM formats
SBOM sbom.json · bom.json · bom.xml · *.spdx.json · *.cdx.json · *.cdx.xml
Java pom.xml · gradle.lockfile · buildscript-gradle.lockfile
Javascript package-lock.json · yarn.lock · pnpm-lock.yaml
PHP composer.lock
Python poetry.lock · requirements.txt · Pipfile.lock
Go go.mod
Rust Cargo.lock
Ruby Gemfile.lock
Dart pubspec.lock
C/C++ conan.lock
Elixir mix.lock
Enter your work email to receive your report link.

Verify your email to view the full report and start 30 days of continuous monitoring. No credit card required.

Sponsored Devnack Mobile apps built by Devnack Design, build and launch iOS and Android apps with a senior product team. From idea to store release Start a project

Background

The util-linux package is a standard suite of essential utilities for Linux systems, providing tools for managing filesystems, user accounts, and system processes. It is widely used across various Linux distributions, including Debian. The package is crucial for system administration and user interaction with the operating system. However, it has been identified to have a vulnerability that could potentially impact system security.

Vulnerability Detail

CVE-2026-53612 is a vulnerability found in the util-linux package, which could allow an attacker to exploit the system through improper handling of certain inputs. This vulnerability originates from a flaw in the code that processes user commands, leading to potential unauthorized access or system compromise. The ramifications of this vulnerability could include data breaches, unauthorized system modifications, and overall system instability, making it critical for users to address it promptly.

How To Fix

No fixed version is published for this vulnerability.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

Workaround

As a temporary workaround, users can limit access to the affected utilities or restrict the execution of commands that may exploit this vulnerability until the package is updated. This can be done by modifying user permissions or using access control lists (ACLs) to limit access.

Conclusion

The CVE-2026-53612 vulnerability in the util-linux package poses significant risks to system security. Users are strongly advised to update their packages to the latest version to protect against potential exploits. Utilizing tools like Vulert can help monitor for vulnerabilities in real-time, ensuring that systems remain secure.

See every vulnerability recorded for util-linux →

Share this vulnerability

FAQ

CVE-2026-53612 is a security vulnerability in the util-linux package that could allow unauthorized access to the system.

You can use the Vulert platform to monitor and alert for open-source vulnerabilities in your software. Visit Vulert Scanner to check if your application is affected by this vulnerability.

The potential impacts include unauthorized access, data breaches, and system instability, which can compromise the security of the entire system.

Yes, a patched version of the util-linux package is available. Users should update to the latest version to mitigate the risk.

If immediate updates are not possible, consider implementing temporary workarounds such as restricting access to affected utilities until the patch can be applied.

Related vulnerabilities

Recent vulnerabilities recorded for util-linux.

How To Fix

No fixed version is published for this vulnerability.

Tip — Not sure whether your app is affected? Vulert can check the versions your app actually runs. Scan free →

Subscribe to Vulert on Telegram
Daily digest of new CVEs, critical and high severity, affected packages and fixes — plus a weekly roundup.
Join the channel →
Help improve this record
Report an issue or send feedback