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Ubuntu 20.10 & 20.04 USN-4743-1 Critical: GDK-PixBuf Denial of Service

ubuntu
Calendar Grey February 22, 2021
Dist Ubuntu Esm H88
PNG-Crystal vulnerability may cause failures while handling specially designed PNG images; prompt upgrade advised.
GDK-PixBuf could be made to crash if it opened a specially crafted file.

Summary

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

Software Description:

- gdk-pixbuf: GDK Pixbuf library

Details:

It was 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.

Topics%20covered

Topics Covered

security advisory denial of service critical Ubuntu gdk-pixbuf ubuntu crash issue GDK-PixBuf

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-5ubuntu0.2

Ubuntu 20.04 LTS:
  libgdk-pixbuf2.0-0              2.40.0+dfsg-3ubuntu0.2

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

References

https://ubuntu.com/security/notices/USN-4743-1

CVE-2021-20240

Severity
critical
Lowest
Low
Medium
High
Critical

February 22, 2021

Topics%20covered

Topics Covered

security advisory denial of service critical Ubuntu gdk-pixbuf ubuntu crash issue GDK-PixBuf

Package Information

https://launchpad.net/ubuntu/+source/gdk-pixbuf/2.40.0+dfsg-5ubuntu0.2
https://launchpad.net/ubuntu/+source/gdk-pixbuf/2.40.0+dfsg-3ubuntu0.2

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