@QubesOS profile picture
Qubes OS @QubesOS

A reasonably secure operating system for personal computers.

Joined July 2015
  • Tweets 863
  • Following 0
  • Followers 29,679
16 Photos and videos
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Qubes OS@QubesOS
Jun 12
Qubes OS User Survey 2026 is now live! Whether you’re a long-time Qubes user or haven’t even installed it yet, we want to hear about your experiences and about what matters to you. Help us make Qubes the best reasonably secure operating system it can be. pad.itl.space/form/#/2/form/…

Encrypted Form

CryptPad: end-to-end encrypted collaboration suite

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Qubes OS 4.3.1 has been released! qubes-os.org/news/2026/06/11…

Qubes OS 4.3.1 has been released!

We’re pleased to announce the stable release of Qubes OS 4.3.1! This patch release aims to consolidate all the security updates and bug fixes that have occurred since the previous stable release. Our...

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Qubes OS User Survey 2026 is now live! Whether you’re a long-time Qubes user or haven’t even installed it yet, we want to hear about your experiences and about what matters to you. Help us make Qubes the best reasonably secure operating system it can be. pad.itl.space/form/#/2/form/…

Encrypted Form

CryptPad: end-to-end encrypted collaboration suite

pad.itl.space
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The survey takes 10-20 minutes and is fully anonymous. We do not collect any data except for the answers you provide. If you’ve ever wanted to influence the development of Qubes, now is your chance. Make your voice heard! pad.itl.space/form/#/2/form/…

Encrypted Form

CryptPad: end-to-end encrypted collaboration suite

pad.itl.space
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XSAs released on 2026-06-09 qubes-os.org/news/2026/06/09…

XSAs released on 2026-06-09

The Xen Project has released one or more Xen security advisories (XSAs). The security of Qubes OS is affected. XSAs that DO affect the security of Qubes OS The following XSAs do affect the security...

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QSB-115: HVM I/O port list traversal (XSA-491) qubes-os.org/news/2026/06/09…

QSB-115: HVM I/O port list traversal (XSA-491)

We have published Qubes Security Bulletin (QSB) 115: HVM I/O port list traversal (XSA-491). The text of this QSB and its accompanying cryptographic signatures are reproduced below, followed by a...

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Qubes Canary 047 qubes-os.org/news/2026/06/03…

Qubes Canary 047

We have published Qubes Canary 047. The text of this canary and its accompanying cryptographic signatures are reproduced below. For an explanation of this announcement and instructions for authenti...

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Qubes OS 4.3.1-rc1 is available for testing qubes-os.org/news/2026/05/28…

Qubes OS 4.3.1-rc1 is available for testing

The first release candidate (RC) for Qubes OS 4.3.1 is now available for testing. This patch release aims to consolidate all the security patches, bug fixes, and other updates that have occurred...

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QSB-114: Intel CPU data exposure vulnerability qubes-os.org/news/2026/05/14…

QSB-114: Intel CPU data exposure vulnerability

We have published Qubes Security Bulletin (QSB) 114: Intel CPU data exposure vulnerability. The text of this QSB and its accompanying cryptographic signatures are reproduced below, followed by a...

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XSAs released on 2026-05-12 qubes-os.org/news/2026/05/13…

XSAs released on 2026-05-12

The Xen Project has released one or more Xen security advisories (XSAs). The security of Qubes OS is affected. XSAs that DO affect the security of Qubes OS The following XSAs do affect the security...

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QSB-113: AMD CPU Opcode Cache corruption (XSA-490) qubes-os.org/news/2026/05/13…

QSB-113: AMD CPU Opcode Cache corruption (XSA-490)

We have published Qubes Security Bulletin (QSB) 113: AMD CPU Opcode Cache corruption (XSA-490). The text of this QSB and its accompanying cryptographic signatures are reproduced below, followed by a...

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Please upgrade all @debian 12 (Bookworm) templates and standalones before it reaches end of life on 2026-06-10. qubes-os.org/news/2026/05/06…

Debian 12 (Bookworm) approaching end of life

Debian 12 (Bookworm) is currently scheduled to reach end-of-life (EOL) on 2026-06-10 (approximately one month from the date of this announcement). Please upgrade all of your Debian templates and...

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XSAs released on 2026-04-28 qubes-os.org/news/2026/04/28…

XSAs released on 2026-04-28

The Xen Project has released one or more Xen security advisories (XSAs). The security of Qubes OS is not affected. XSAs that DO affect the security of Qubes OS The following XSAs do affect the...

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Qubes OS 4.2 approaching end of life qubes-os.org/news/2026/04/27…

Qubes OS 4.2 approaching end of life

Qubes OS 4.2 is scheduled to reach end-of-life (EOL) on 2026-06-21, approximately two months from the date of this announcement. Recommended actions If you’re currently using Qubes 4.2, you should...

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XSAs released on 2026-04-17 qubes-os.org/news/2026/04/19…

XSAs released on 2026-04-17

The Xen Project has released one or more Xen security advisories (XSAs). The security of Qubes OS is affected. XSAs that DO affect the security of Qubes OS The following XSAs do affect the security...

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QSB-112: Floating Point Divider State Sampling (XSA-488) qubes-os.org/news/2026/04/19…

QSB-112: Floating Point Divider State Sampling (XSA-488)

We have published Qubes Security Bulletin (QSB) 112: Floating Point Divider State Sampling (XSA-488). The text of this QSB and its accompanying cryptographic signatures are reproduced below, followed...

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QSB-111: xfce4-screensaver login bypass qubes-os.org/news/2026/04/15…

QSB-111: xfce4-screensaver login bypass

We have published Qubes Security Bulletin (QSB) 111: xfce4-screensaver login bypass. The text of this QSB and its accompanying cryptographic signatures are reproduced below, followed by a general...

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XSAs released on 2026-03-24 qubes-os.org/news/2026/03/24…

XSAs released on 2026-03-24

The Xen Project has released one or more Xen security advisories (XSAs). The security of Qubes OS is not affected. XSAs that DO affect the security of Qubes OS The following XSAs do affect the...

qubes-os.org
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XSAs released on 2026-03-17 qubes-os.org/news/2026/03/17…

XSAs released on 2026-03-17

The Xen Project has released one or more Xen security advisories (XSAs). The security of Qubes OS is affected. XSAs that DO affect the security of Qubes OS The following XSAs do affect the security...

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QSB-110: Use after free of paging structures in EPT (XSA-480) qubes-os.org/news/2026/03/17…

QSB-110: Use after free of paging structures in EPT (XSA-480)

We have published Qubes Security Bulletin (QSB) 110: Use after free of paging structures in EPT (XSA-480). The text of this QSB and its accompanying cryptographic signatures are reproduced below,...

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Templates are now available for @fedora 43 on Qubes OS 4.2 qubes-os.org/news/2026/03/16…

Fedora 43 templates available for Qubes OS 4.2

The following new Fedora 43 templates are now available for Qubes OS 4.2: fedora-43-xfce (default Fedora template with the Xfce desktop environment) fedora-43 (alternative Fedora template with the...

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