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Ubuntu 22.10 USN-5732-1 Critical Unbound Denial Of Service Attack

ubuntu
Calendar Grey November 17, 2022
Dist Ubuntu Esm H88
Ubuntu Security Notice USN-5732-1 outlines a vulnerability in unbound that can lead to a denial of service triggered by maliciously crafted network packets.
Unbound could be made to stop responding if it received specially crafted network traffic.

Summary

Topics%20covered

Topics Covered

security advisory denial of service ubuntu network attack unbound

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 22.10: libunbound8 1.16.2-1ubuntu0.1 unbound 1.16.2-1ubuntu0.1 Ubuntu 22.04 LTS: libunbound8 1.13.1-1ubuntu5.3 unbound 1.13.1-1ubuntu5.3 Ubuntu 20.04 LTS: libunbound8 1.9.4-2ubuntu1.4 unbound 1.9.4-2ubuntu1.4 Ubuntu 18.04 LTS: libunbound2 1.6.7-1ubuntu2.6 unbound 1.6.7-1ubuntu2.6 In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-5732-1

CVE-2022-3204

Severity
critical
Lowest
Low
Medium
High
Critical

November 17, 2022

Topics%20covered

Topics Covered

security advisory denial of service ubuntu network attack unbound

Package Information

https://launchpad.net/ubuntu/+source/unbound/1.16.2-1ubuntu0.1 https://launchpad.net/ubuntu/+source/unbound/1.13.1-1ubuntu5.3 https://launchpad.net/ubuntu/+source/unbound/1.9.4-2ubuntu1.4 https://launchpad.net/ubuntu/+source/unbound/1.6.7-1ubuntu2.6

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