Debian Buster DSA-4868-1 Critical: Flatpak Sandbox Bypass Issue

Anton Lydike discovered that sandbox restrictions in Flatpak, an
application deployment framework for desktop apps, could by bypassed
via a malicious .desktop file.

For the stable distribution (buster), this problem has been fixed in
version 1.2.5-0+deb10u4.

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/