Alerts This Week
Warning Icon 1 714
Alerts This Week
Warning Icon 1 714

Ubuntu 23.04 USN-6168-1 Critical: libx11 Denial of Service

ubuntu
Calendar Grey June 15, 2023
Dist Ubuntu Esm H88
An urgent vulnerability in the libx11 library on Ubuntu may lead to system instability when exposed to specially designed network packets. Immediate patching necessary.
libx11 could be made to crash if it received specially crafted network traffic.

Summary

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu network exploit libx11

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 23.04: libx11-6 2:1.8.4-2ubuntu0.2 Ubuntu 22.10: libx11-6 2:1.8.1-2ubuntu0.2 Ubuntu 22.04 LTS: libx11-6 2:1.7.5-1ubuntu0.2 Ubuntu 20.04 LTS: libx11-6 2:1.6.9-2ubuntu1.5 After a standard system update you need to reboot your computer to make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-6168-1

CVE-2023-3138

Severity
critical
Lowest
Low
Medium
High
Critical

June 15, 2023

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu network exploit libx11

Package Information

https://launchpad.net/ubuntu/+source/libx11/2:1.8.4-2ubuntu0.2 https://launchpad.net/ubuntu/+source/libx11/2:1.8.1-2ubuntu0.2 https://launchpad.net/ubuntu/+source/libx11/2:1.7.5-1ubuntu0.2 https://launchpad.net/ubuntu/+source/libx11/2:1.6.9-2ubuntu1.5

Get the latest News and Insights

Get the latest Linux and open source security news straight to your inbox.

Your message here