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Ubuntu 16.04 ESM: USN-5510-2 Critical X.Org Issues Summary

ubuntu
Calendar Grey July 12, 2022
Dist Ubuntu Esm H88
Important advisories regarding X.Org X Server security flaws in Ubuntu 16.04 ESM as of July 12, 2022. Detailed guidelines for performing updates provided.
Several security issues were fixed in X.Org X Server.

Summary

Several security issues were fixed in X.Org X Server.

Software Description:

- xorg-server: X.Org X11 server

- xorg-server-hwe-16.04: X.Org X11 server

Details:

USN-5510-1 fixed several vulnerabilities in X.Org. This update provides

the corresponding update for Ubuntu 16.04 ESM.

Original advisory details:

Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled

certain inputs. An attacker could use this issue to cause the server to

crash, resulting in a denial of service, or possibly execute arbitrary

code and escalate privileges.

Topics%20covered

Topics Covered

security advisory denial of service software update ubuntu xorg-server

Update Instructions

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

Ubuntu 16.04 ESM:
  xserver-xorg-core               2:1.18.4-0ubuntu0.12+esm2
  xserver-xorg-core-hwe-16.04     2:1.19.6-1ubuntu4.1~16.04.6+esm1
  xwayland                        2:1.18.4-0ubuntu0.12+esm2
  xwayland-hwe-16.04              2:1.19.6-1ubuntu4.1~16.04.6+esm1

After a standard system update you need to reboot your computer to make all
the necessary changes.

References

https://ubuntu.com/security/notices/USN-5510-2

https://ubuntu.com/security/notices/USN-5510-1

CVE-2022-2319, CVE-2022-2320

Severity
critical
Lowest
Low
Medium
High
Critical

July 12, 2022

Topics%20covered

Topics Covered

security advisory denial of service software update ubuntu xorg-server

Package Information

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