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USN-6597-1: Puma vulnerability

25 January 2024

Puma could be made to consume resources if it received specially crafted network traffic.

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Releases

Packages

  • puma - threaded HTTP 1.1 server for Ruby/Rack applications

Details

It was discovered that Puma incorrectly handled parsing chunked transfer
encoding bodies. A remote attacker could possibly use this issue to cause
Puma to consume resources, leading to 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 23.10
Ubuntu 23.04

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

References

Related notices

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Further reading