[USN-7747-1] RubyGems vulnerability

[noreply+usn-bot at canonical.com]

==========================================================================
Ubuntu Security Notice USN-7747-1
September 15, 2025

rubygems vulnerability
==========================================================================

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

- Ubuntu 22.04 LTS

Summary:

RubyGems could be made to consume resources if it received specially
crafted input.

Software Description:
- rubygems: package management framework for Ruby libraries/applications

Details:

It was discovered that RubyGems incorrectly handled certain regular
expressions. An attacker could possibly use this issue to cause RubyGems to
consume resources, leading to a regular expression denial of service
(ReDoS).

Update instructions:

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

Ubuntu 22.04 LTS
  ruby-bundler                    2.3.5-2ubuntu1.2

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

References:
  https://ubuntu.com/security/notices/USN-7747-1
  CVE-2023-36617

Package Information:
  https://launchpad.net/ubuntu/+source/rubygems/3.3.5-2ubuntu1.2
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