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Ubuntu 20.04 LTS: USN-4490-1 Moderate: X.Org Server Crash Risk

ubuntu
Calendar Grey September 8, 2020
Dist Ubuntu Esm H88
Ensure your Ubuntu installations are updated to prevent X.Org X Server failures triggered by malicious inputs, as highlighted in USN-4490-1.
X.Org X Server could be made to crash or run programs if it received specially crafted input.

Summary

Topics%20covered

Topics Covered

security advisory privilege escalation ubuntu input handling xorg-server program crash

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 20.04 LTS: xserver-xorg-core 2:1.20.8-2ubuntu2.4 Ubuntu 18.04 LTS: xserver-xorg-core 2:1.19.6-1ubuntu4.6 xserver-xorg-core-hwe-18.04 2:1.20.8-2ubuntu2.2~18.04.3 Ubuntu 16.04 LTS: xserver-xorg-core 2:1.18.4-0ubuntu0.10 xserver-xorg-core-hwe-16.04 2:1.19.6-1ubuntu4.1~16.04.4 After a standard system update you need to reboot your computer to make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-4490-1

CVE-2020-14345

Severity
important
Lowest
Low
Medium
High
Critical

September 08, 2020

Topics%20covered

Topics Covered

security advisory privilege escalation ubuntu input handling xorg-server program crash

Package Information

https://launchpad.net/ubuntu/+source/xorg-server/2:1.20.8-2ubuntu2.4 https://launchpad.net/ubuntu/+source/xorg-server/2:1.19.6-1ubuntu4.6 https://launchpad.net/ubuntu/+source/xorg-server-hwe-18.04/2:1.20.8-2ubuntu2.2~18.04.3 https://launchpad.net/ubuntu/+source/xorg-server/2:1.18.4-0ubuntu0.10 https://launchpad.net/ubuntu/+source/xorg-server-hwe-16.04/2:1.19.6-1ubuntu4.1~16.04.4

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