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USN-6780-1: idna vulnerability

21 May 2024

idna could be made to consume significant resources if it receives a specially crafted input.

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Releases

Packages

Details

Guido Vranken discovered that idna did not properly manage certain inputs,
which could lead to significant resource consumption. An attacker could
possibly use this issue to 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 24.04
Ubuntu 23.10
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