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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.

Reduce your security exposure

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.

Learn more about Ubuntu Pro

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