Home / mailings

PDF

[USN-7971-1] GLib vulnerability

Posted on 21 January 2026
Ubuntu Security

==========================================================================Ubuntu Security Notice USN-7971-1
January 21, 2026

glib2.0 vulnerability
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 25.10
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS

Summary:

GLib could be made to crash or run programs if it received specially
crafted input.

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

Details:

It was discovered that GLib incorrectly handled the buffered input stream
API. An attacker could use this issue to cause GLib to crash, resulting in
a denial of service, or possibly execute arbitrary code.

Update instructions:

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

Ubuntu 25.10
libglib2.0-0t64 2.86.0-2ubuntu0.2
libglib2.0-bin 2.86.0-2ubuntu0.2

Ubuntu 24.04 LTS
libglib2.0-0t64 2.80.0-6ubuntu3.7
libglib2.0-bin 2.80.0-6ubuntu3.7

Ubuntu 22.04 LTS
libglib2.0-0 2.72.4-0ubuntu2.8
libglib2.0-bin 2.72.4-0ubuntu2.8

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

References:
https://ubuntu.com/security/notices/USN-7971-1
CVE-2026-0988

Package Information:
https://launchpad.net/ubuntu/+source/glib2.0/2.86.0-2ubuntu0.2
https://launchpad.net/ubuntu/+source/glib2.0/2.80.0-6ubuntu3.7
https://launchpad.net/ubuntu/+source/glib2.0/2.72.4-0ubuntu2.8

--===============2374757095301430010==Content-Type: application/pgp-signature; name="signature.asc"
Content-Description: OpenPGP digital signature

 

TOP