[USN-5189-1] GLib vulnerability

Rodrigo Figueiredo Zaiden rodrigo.zaiden at canonical.com
Mon Dec 13 20:15:20 UTC 2021

Ubuntu Security Notice USN-5189-1
December 13, 2021

A security issue was fixed in GLib

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 18.04 LTS
- Ubuntu 16.04 ESM
- Ubuntu 14.04 ESM


GLib could be used to escalate privilege if it received specially crafted

Software Description:
- glib2.0: GLib library of C routines


It was discovered that GLib incorrectly handled certain environment 
An attacker could possibly use this issue to escalate privileges.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 18.04 LTS:
   libglib2.0-0                    2.56.4-0ubuntu0.18.04.9
   libglib2.0-bin                  2.56.4-0ubuntu0.18.04.9
   libglib2.0-data                 2.56.4-0ubuntu0.18.04.9
   libglib2.0-dev                  2.56.4-0ubuntu0.18.04.9

Ubuntu 16.04 ESM:
   libglib2.0-0                    2.48.2-0ubuntu4.8+esm1
   libglib2.0-bin                  2.48.2-0ubuntu4.8+esm1
   libglib2.0-data                 2.48.2-0ubuntu4.8+esm1
   libglib2.0-dev                  2.48.2-0ubuntu4.8+esm1

Ubuntu 14.04 ESM:
   libglib2.0-0                    2.40.2-0ubuntu1.1+esm4
   libglib2.0-bin                  2.40.2-0ubuntu1.1+esm4
   libglib2.0-data                 2.40.2-0ubuntu1.1+esm4
   libglib2.0-dev                  2.40.2-0ubuntu1.1+esm4

In general, a standard system update will make all the necessary changes.


Package Information:
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