A GDK-PixBuf security update has been released for Ubuntu Linux 20.04 LTS and 20.10.
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Ubuntu Security Notice USN-4663-1
December 08, 2020
gdk-pixbuf vulnerability
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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
