USN-6225-1: Knot Resolver vulnerability

13 July 2023

Knot Resolver could be made to crash if it received specially crafted network traffic.

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Releases

Packages

Details

It was discovered that Knot Resolver did not correctly handle certain
client options. A remote attacker could send requests to malicous domains
and cause a denial of service.

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Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

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Update instructions

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

Ubuntu 22.10
Ubuntu 22.04
Ubuntu 20.04
Ubuntu 18.04
Ubuntu 16.04

In general, a standard system update will make all the necessary changes.

References

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Further reading