Debian DSA-5666-1: Flatpak Sandbox Bypass Threat Update

Gergo Koteles discovered that sandbox restrictions in Flatpak, an
application deployment framework for desktop apps, could by bypassed in
combination with xdg-desktop-portal.

For the oldstable distribution (bullseye), this problem has been fixed
in version 1.10.8-0+deb11u2.

For the stable distribution (bookworm), this problem has been fixed in
version 1.14.4-1+deb12u1.

We recommend that you upgrade your flatpak packages.

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

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