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Debian LTS Advisory DLA-3607-1                debian-lts@lists.debian.org
https://www.debian.org/lts/security/                         Tobias Frost
October 07, 2023                              https://wiki.debian.org/LTS
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Package        : gnome-boxes
Version        : 3.30.3-2+deb10u1
CVE ID         : 
Debian Bug     : 

It has been found that the update of freerdp2 (see DLA-3606-1) exposed a
bug in gnome-boxes, which breaks RDP connections with the symtoms of
hangs and black screens. 

Note: sha256 is now used instead of sha1 to fingerprint certificates. This will
invalidate all hosts in FreeRDP known_hosts2 file, $HOME/.config/freerdp/known_hosts2.
In case of problems with the connection, try removing that file.

For Debian 10 buster, this problem has been fixed in version
3.30.3-2+deb10u1.

We recommend that you upgrade your gnome-boxes packages.

For the detailed security status of gnome-boxes please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/gnome-boxes

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS