USN-6505-1: nghttp2 vulnerability

22 November 2023

nghttp2 could be made to consume resources if it received specially crafted network traffic.

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Releases

Packages

  • nghttp2 - HTTP/2 C Library and tools

Details

It was discovered that nghttp2 incorrectly handled request cancellation. A
remote attacker could possibly use this issue to cause nghttp2 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
Ubuntu 22.04
Ubuntu 20.04

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

References

Related notices

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