Debian Security Advisory

DLA-3110-1 glib2.0 -- LTS security update

Date Reported:
15 Sep 2022
Affected Packages:
Security database references:
In Mitre's CVE dictionary: CVE-2021-3800.
More information:

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:

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