A glib2.0 security update has been released for Debian GNU/Linux 10 to address an issue where GLib could be used to print partial contents from arbitrary files.

DLA 3110-1: glib2.0 security update

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Debian LTS Advisory DLA-3110-1 debian-lts@lists.debian.org
  https://www.debian.org/lts/security/ Emilio Pozuelo Monfort
September 15, 2022   https://wiki.debian.org/LTS
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Package : glib2.0
Version : 2.58.3-2+deb10u4
CVE ID : CVE-2021-3800

It was found that GLib, a general-purpose portable utility library,
could be used to print partial contents from arbitrary files. This
could be exploited from setuid binaries linking to GLib for information
disclosure of files with a specific format.

For Debian 10 buster, this problem has been fixed in version
2.58.3-2+deb10u4.

We recommend that you upgrade your glib2.0 packages.

For the detailed security status of glib2.0 please refer to
its security tracker page at:
  https://security-tracker.debian.org/tracker/glib2.0

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