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USN-6689-1: Rack vulnerabilities

12 March 2024

Rack could be made do denial of service if it received a specially crafted header.

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Releases

Packages

  • ruby-rack - modular Ruby webserver interface

Details

It was discovered that Rack incorrectly parse some headers.
An attacker could possibly use this issue to cause a denial of service.
(CVE-2023-27539, CVE-2024-26141, CVE-2024-26146)

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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.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 23.10

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

References

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Further reading