[USN-5554-1] GDK-PixBuf vulnerability

[Marc Deslauriers]

==========================================================================
Ubuntu Security Notice USN-5554-1
August 08, 2022

gdk-pixbuf vulnerability
==========================================================================

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

- Ubuntu 20.04 LTS

Summary:

GDK-PixBuf could be made to crash or run programs as your login if it
opened a specially crafted file.

Software Description:
- gdk-pixbuf: GDK Pixbuf library

Details:

Pedro Ribeiro discovered that the GDK-PixBuf library did not properly
handle certain GIF images. If an user or automated system were tricked into
opening a specially crafted GIF file, a remote attacker could use this flaw
to cause GDK-PixBuf 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 20.04 LTS:
  libgdk-pixbuf2.0-0              2.40.0+dfsg-3ubuntu0.3

After a standard system update you need to restart your session to make all
the necessary changes.

References:
  https://ubuntu.com/security/notices/USN-5554-1
  CVE-2021-46829

Package Information:
  https://launchpad.net/ubuntu/+source/gdk-pixbuf/2.40.0+dfsg-3ubuntu0.3
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