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Barrier

by Debauchee Open Source Groupv2.4.0

Last updated

Barrier is open-source KVM software

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Install with winget

$ winget install --id DebaucheeOpenSourceGroup.Barrier --exact --version 2.4.0

Run in Command Prompt, PowerShell, or Windows Terminal. Prompts for any agreements.

Silent install command for Barrier

Barrier uses EXE (Inno Setup). The silent install switches are /VERYSILENT /SUPPRESSMSGBOXES /NORESTART.

One-line silent install (x64)
BarrierSetup-2.4.0-release.exe /VERYSILENT /SUPPRESSMSGBOXES /NORESTART

See the full silent install reference for Barrier →

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Installers · v2.4.0

ArchitectureTypeScopeInstallDownload
x64EXE
Inno Setup
-Direct

Copy a command tailored to that specific architecture, type, and scope - useful when winget would otherwise pick a different default.

Security

5 known CVEs via NVD

  • high7.5Patched in wingetCVE-2021-42076affects before 2.3.4Nov 7, 2021

    An issue was discovered in Barrier before 2.3.4. An attacker can cause memory exhaustion in the barriers component (aka the server-side implementation of Barrier) and barrierc by sending long TCP messages.

  • high7.5Patched in wingetCVE-2021-42075affects before 2.3.4Nov 7, 2021

    An issue was discovered in Barrier before 2.3.4. The barriers component (aka the server-side implementation of Barrier) does not correctly close file descriptors for established TCP connections. An unauthenticated remote attacker can thus cause file descriptor exhaustion in the...

  • high7.5Patched in wingetCVE-2021-42074affects before 2.3.4Nov 7, 2021

    An issue was discovered in Barrier before 2.3.4. An unauthenticated attacker can cause a segmentation fault in the barriers component (aka the server-side implementation of Barrier) by quickly opening and closing TCP connections while sending a Hello message for each TCP session.

  • high8.2Patched in wingetCVE-2021-42073affects before 2.4.0Nov 7, 2021

    An issue was discovered in Barrier before 2.4.0. An attacker can enter an active session state with the barriers component (aka the server-side implementation of Barrier) simply by supplying a client label that identifies a valid client configuration. This label is "Unnamed" by...

  • high8.8Patched in wingetCVE-2021-42072affects before 2.4.0Nov 7, 2021

    An issue was discovered in Barrier before 2.4.0. The barriers component (aka the server-side implementation of Barrier) does not sufficiently verify the identify of connecting clients. Clients can thus exploit weaknesses in the provided protocol to cause denial-of-service or sta...

Source: NVD, updated 4h ago. Patch status is best-effort: NVD's fix version is compared against the latest version in winget, but the two version formats don't always align. Confirm with the vendor advisory before treating any specific build as safe.

See a CVE that affects your fleet? Push the patched version to Intune in one click with Pckgr - automated patching is the only way to keep up.

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More from Debauchee Open Source Group or browse barrier, gplv2, keyboard.

Frequently asked questions

How do I install Barrier on Windows?
Open Windows Terminal, PowerShell, or Command Prompt and run: winget install --id DebaucheeOpenSourceGroup.Barrier --exact --version 2.4.0. winget downloads the installer from Debauchee Open Source Group and runs it. Requires Windows 10 (1809+) or Windows 11.
How do I install Barrier silently for unattended deployment?
Add --silent and accept the agreements upfront: winget install --id DebaucheeOpenSourceGroup.Barrier --exact 2.4.0 --silent --accept-package-agreements --accept-source-agreements. This is the variant Intune, Configuration Manager, and other deployment tools should use.
What are the silent install switches for Barrier?
Barrier uses EXE (Inno Setup). Run the downloaded installer with: BarrierSetup-2.4.0-release.exe /VERYSILENT /SUPPRESSMSGBOXES /NORESTART. The silent switches are /VERYSILENT /SUPPRESSMSGBOXES /NORESTART.
How do I uninstall Barrier via winget?
Run: winget uninstall --id DebaucheeOpenSourceGroup.Barrier --exact. Add --silent for unattended uninstalls. winget will use the registered uninstaller from Barrier's Apps & Features entry.
Is Barrier free?
Barrier is distributed under GNU General Public License v2.0. Refer to the publisher (https://github.com/debauchee/barrier) for the full license terms - Wingetly itself does not charge for installation.
Does Barrier work on Windows 10?
Yes, as long as your Windows 10 build supports winget (1809 or newer). winget ships with App Installer on Windows 10/11 and pulls Barrier directly from the publisher.
How do I keep Barrier up to date?
Run winget upgrade --id DebaucheeOpenSourceGroup.Barrier --exact, or winget upgrade --all to update everything winget tracks. We index 3 versions of Barrier from microsoft/winget-pkgs.

Recent versions

  • 2.4.0latest
  • 2.3.3-release
  • 2.3.2