Qubes OS

XSAs released on 2026-04-28 qubes-os.org/news/2026/04/2…

Qubes OS 4.2 approaching end of life qubes-os.org/news/2026/04/2…

XSAs released on 2026-04-17 qubes-os.org/news/2026/04/1…

QSB-112: Floating Point Divider State Sampling (XSA-488) qubes-os.org/news/2026/04/1…

QSB-111: xfce4-screensaver login bypass qubes-os.org/news/2026/04/1…

XSAs released on 2026-03-24 qubes-os.org/news/2026/03/2…

XSAs released on 2026-03-17 qubes-os.org/news/2026/03/1…

QSB-110: Use after free of paging structures in EPT (XSA-480) qubes-os.org/news/2026/03/1…

Templates are now available for @fedora 43 on Qubes OS 4.2 qubes-os.org/news/2026/03/1…

Please upgrade all @fedora 42 templates and standalones before it reaches end of life on 2026-05-13. qubes-os.org/news/2026/03/1…

Qubes Canary 046 qubes-os.org/news/2026/03/1…

Templates are now available for @fedora 43 on Qubes OS 4.3 qubes-os.org/news/2026/02/0…

We're at #FOSDEM! If you're here, stop by the @QubesOS + @GenodeLabs stand in Building H level 1 (group A), 10. fosdem.org/2026/stands/

XSAs released on 2026-01-27 qubes-os.org/news/2026/01/2…

Qubes OS 4.3.0 has been released! qubes-os.org/news/2025/12/2…

Qubes Canary 045 qubes-os.org/news/2025/12/1…

Qubes OS 4.3.0-rc4 is available for testing qubes-os.org/news/2025/12/0…

The Qubes OS Project will be at @fosdem 2026! qubes-os.org/news/2025/11/1…

Presented by @macpijan at the @QubesOS Summit 2025, this session reviews the current status of TrenchBoot with a focus on integration into Qubes OS's #AEM (Anti-Evil-Maid) capability.

Presented by @pietrushnic at the @QubesOS Summit 2025, the session explored how Qubes Air redefines the value of highly assured core infrastructure for professionals who demand verifiability, reproducibility, operability at scale with evidence. cfp.3mdeb.com/qubes-os-summi…