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Ubuntu Security Notice USN-4663-1

Ubuntu Security Notice USN-4663-1
Posted Dec 9, 2020
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 4663-1 - Melvin Kool 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 hang, resulting in a denial of service.

tags | advisory, remote, denial of service
systems | linux, ubuntu
advisories | CVE-2020-29385
SHA-256 | f07e2a7fe1a40f36edcf1e4be14bb23b4328ddb93f5876cd4a3a978e7031d1df

Ubuntu Security Notice USN-4663-1

Change Mirror Download
==========================================================================
Ubuntu Security Notice USN-4663-1
December 08, 2020

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

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

- Ubuntu 20.10
- Ubuntu 20.04 LTS

Summary:

GDK-PixBuf could be made to hang if it opened a specially crafted file.

Software Description:
- gdk-pixbuf: GDK Pixbuf library

Details:

Melvin Kool 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 hang, resulting in a denial of service.

Update instructions:

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

Ubuntu 20.10:
libgdk-pixbuf2.0-0 2.40.0+dfsg-5ubuntu0.1

Ubuntu 20.04 LTS:
libgdk-pixbuf2.0-0 2.40.0+dfsg-3ubuntu0.1

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

References:
https://usn.ubuntu.com/4663-1
CVE-2020-29385

Package Information:
https://launchpad.net/ubuntu/+source/gdk-pixbuf/2.40.0+dfsg-5ubuntu0.1
https://launchpad.net/ubuntu/+source/gdk-pixbuf/2.40.0+dfsg-3ubuntu0.1

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