Qubes OS 4.1 will reach official end-of-life (EOL) on 2024-06-18. After this date, Qubes OS 4.1 will continue to receive extended security support until 2024-07-31. This security support extension is sponsored by Freedom of the Press Foundation (FPF) in support of the SecureDrop project. What’s happening? According to the Qubes OS Project’s...

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 security of Qubes OS: (none) XSAs that DO NOT affect the security of Qubes OS The following XSAs do not affect the security...

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 of Qubes OS: XSA-455 See QSB-102 XSA-456 (At the time of publication, this page was missing from the...

We have published Qubes Security Bulletin (QSB) 102: Multiple speculative-execution vulnerabilities: Spectre-BHB, BTC/SRSO (XSA-455, XSA-456). The text of this QSB and its accompanying cryptographic signatures are reproduced below, followed by a general explanation of this announcement and authentication instructions. Qubes Security Bulletin 102...

We’re pleased to announce the stable release of Qubes OS 4.2.1! This patch release aims to consolidate all the security patches, bug fixes, and other updates that have occurred since the release of Qubes 4.2.0. Our goal is to provide a secure and convenient way for users to install (or reinstall) the latest stable Qubes release with an up-to-date ISO....