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Ubuntu 23.04: USN-6129-1 Moderate: Avahi Denial Of Service Risk

ubuntu
Calendar Grey June 1, 2023
Dist Ubuntu Esm H88
Security flaw detected in Avahi impacting various Ubuntu distributions, risking instability due to bad DBus messages. Immediate remediation required.
Avahi could be made to crash if it received specially crafted DBus traffic.

Summary

Topics%20covered

Topics Covered

security advisory denial of service software update Ubuntu avahi DBus issue

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 23.04: avahi-daemon 0.8-6ubuntu1.23.04.1 Ubuntu 22.10: avahi-daemon 0.8-6ubuntu1.22.10.1 Ubuntu 22.04 LTS: avahi-daemon 0.8-5ubuntu5.1 Ubuntu 20.04 LTS: avahi-daemon 0.7-4ubuntu7.2 In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-6129-1

CVE-2023-1981

June 01, 2023

Topics%20covered

Topics Covered

security advisory denial of service software update Ubuntu avahi DBus issue

Package Information

https://launchpad.net/ubuntu/+source/avahi/0.8-6ubuntu1.23.04.1 https://launchpad.net/ubuntu/+source/avahi/0.8-6ubuntu1.22.10.1 https://launchpad.net/ubuntu/+source/avahi/0.8-5ubuntu5.1 https://launchpad.net/ubuntu/+source/avahi/0.7-4ubuntu7.2

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