Dear Qubes Community,
The [Xen Project](https://xenproject.org/) has released one or more [Xen
security advisories (XSAs)](https://xenbits.xen.org/xsa/).
The security of Qubes OS *is affected*.
Therefore, *user action is required*.
## XSAs that DO affect the security of Qubes OS
The following
Dear Qubes Community,
We have published [Qubes Security Bulletin 090: Zenbleed (CVE-2023-20593,
XSA-433)](https://github.com/QubesOS/qubes-secpack/blob/main/QSBs/qsb-090-2023.txt).
The text of this QSB and its accompanying cryptographic signatures are
reproduced below. For an explanation of
