Qubes OS: A reasonably secure operating system [Unofficial]

Qubes is a security-oriented, free and open-source operating system for personal computers that allows you to securely compartmentalize your digital life. 🌉 bridged from 🌐 https://qubes-os.org/: https://fed.brid.gy/web/qubes-os.org

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Longform Stories

Qubes OS User Survey 2026: Shape the future of Qubes! (10-20 minutes)

Jun 11·1 min read·90 words

Qubes OS 4.3.1 has been released!

Jun 11·4 min read·603 words

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

Jun 9·10 min read·1954 words

XSAs released on 2026-06-09

Jun 9·2 min read·283 words

Qubes Canary 047

Jun 3·16 min read·3007 words

Qubes OS 4.3.1-rc1 is available for testing

May 28·4 min read·619 words

QSB-114: Intel CPU data exposure vulnerability

May 14·10 min read·1915 words

XSAs released on 2026-05-12

May 13·1 min read·4 words

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

May 13·1 min read·7 words

Debian 12 (Bookworm) approaching end of life

May 6·1 min read·7 words

XSAs released on 2026-04-28

Apr 28·1 min read·4 words

Qubes OS 4.2 approaching end of life

Apr 27·1 min read·7 words

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

Apr 19·1 min read·7 words

XSAs released on 2026-04-17

Apr 19·1 min read·4 words

QSB-111: xfce4-screensaver login bypass

Apr 15·1 min read·4 words

XSAs released on 2026-03-24

Mar 24·1 min read·4 words

XSAs released on 2026-03-17

Mar 17·1 min read·4 words

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

Mar 17·1 min read·10 words

Fedora 43 templates available for Qubes OS 4.2

Mar 16·1 min read·8 words

Fedora 42 approaching end of life

Mar 13·1 min read·6 words

Qubes Canary 046

Mar 13·1 min read·3 words

Fedora 43 templates available for Qubes OS 4.3

Feb 6·1 min read·8 words