[USN-6689-1] Rack vulnerabilities

[Leonidas S. Barbosa]

==========================================================================
Ubuntu Security Notice USN-6689-1
March 12, 2024

ruby-rack vulnerabilities
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 23.10

Summary:

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

Software Description:
- 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)

Update instructions:

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

Ubuntu 23.10:
  ruby-rack                       2.2.4-3ubuntu0.1

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

References:
  https://ubuntu.com/security/notices/USN-6689-1
  CVE-2023-27539, CVE-2024-26141, CVE-2024-26146

Package Information:
  https://launchpad.net/ubuntu/+source/ruby-rack/2.2.4-3ubuntu0.1

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