NixOS is a Linux distribution built on top of the Nix package manager. It is completely declarative, its system configurations are reproducible, makes configuration changes reliable and atomic, and eliminates configuration drift.

NixOS

Wolfi is a community Linux OS designed for the container and cloud-native era; it is a Linux distribution based on Alpine.

Wolfi

Chainguard is a Linux distribution based on Alpine. It's the commercial version of the Wolfi distro.

Chainguard

Homebrew is a free and open-source software package management system that simplifies the installation of software on Apple's macOS operating system and Linux. The name is intended to suggest the idea of building software on the Mac depending on the user's taste. Originally written by Max Howell, the package manager has gained popularity in the Ruby on Rails community and earned praise for its extensibility.

Homebrew

Debian GNU/Linux is a Linux distribution composed of free and open-source software.

Linux Debian

Ubuntu is a Linux distribution based on Debian, mostly composed of free and open-source software. Ubuntu is officially released in three editions: Desktop, Server, and Core for internet of things devices and robots. All the editions can run on the computer alone or in a virtual machine.

Linux Ubuntu

Fedora is a popular open-source, Linux-based operating system.

Linux Fedora

Red Hat Enterprise Linux is a Linux distribution developed by Red Hat for the commercial market.

Linux Red Hat

Linux openSUSE

Alpine Linux is a Linux distribution based on musl and BusyBox, designed for security, simplicity, and resource efficiency.

Linux Alpine

Echo is a secure, minimal Linux OS built vulnerability-free. It is fully compatible across environments and continuously patched - making it a clean, dependable base layer for modern applications. Echo is used by organizations focused on security and reliability, including those with compliance or FIPS requirements.

Echo

FreeRDP is a free implementation of the Remote Desktop Protocol. Prior to 3.20.1, a heap use-after-free occurs in irp_thread_func because the IRP is freed by irp->Complete() and then accessed again on the error path. This vulnerability is fixed in 3.20.1.

CVE ID	Severity	Score	Technologies	Component name	CISA KEV exploit	Has fix	Published date
CVE-2026-21010	HIGH	7.8	NixOS	android	No	No	Apr 13, 2026
CVE-2026-21012	MEDIUM	6.8	NixOS	android	No	No	Apr 13, 2026
CVE-2026-21011	MEDIUM	5.4	NixOS	android	No	No	Apr 13, 2026
CVE-2026-21008	MEDIUM	5.1	NixOS	android	No	No	Apr 13, 2026
CVE-2026-21009	MEDIUM	4.1	NixOS	android	No	No	Apr 13, 2026

CVE-2026-22857:
NixOS vulnerability analysis and mitigation

6.8

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CVE-2026-22857: NixOS vulnerability analysis and mitigation