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Ubuntu 25.10 Ruby Critical Sensitive Info Exposure USN-8137-1

ubuntu
Calendar Grey April 1, 2026
Dist Ubuntu Esm H88
Ruby exposes sensitive information in Ubuntu. Update recommended to secure against potential leaks.
Ruby could be made to expose sensitive information.

Summary

Ruby could be made to expose sensitive information.

Software Description:

- ruby3.3: Object-oriented scripting language

- ruby3.2: Object-oriented scripting language

- ruby3.0: Object-oriented scripting language

- ruby2.7: Object-oriented scripting language

- ruby2.5: Object-oriented scripting language

- ruby2.3: Object-oriented scripting language

Details:

It was discovered that the Ruby URI gem did not properly handle sensitive

information when combining URIs. A remote attacker could possibly use this

issue to leak authentication credentials.

Topics%20covered

Topics Covered

security advisory remote attack Ubuntu information exposure ruby sensitive information

Update Instructions

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

Ubuntu 25.10
  libruby3.3                      3.3.8-2ubuntu2.1
  ruby3.3                         3.3.8-2ubuntu2.1

Ubuntu 24.04 LTS
  libruby3.2                      3.2.3-1ubuntu0.24.04.7
  ruby3.2                         3.2.3-1ubuntu0.24.04.7

Ubuntu 22.04 LTS
  libruby3.0                      3.0.2-7ubuntu2.12
  ruby3.0                         3.0.2-7ubuntu2.12

Ubuntu 20.04 LTS
  libruby2.7                      2.7.0-5ubuntu1.18+esm4
                                  Available with Ubuntu Pro
  ruby2.7                         2.7.0-5ubuntu1.18+esm4
                                  Available with Ubuntu Pro

Ubuntu 18.04 LTS
  libruby2.5                      2.5.1-1ubuntu1.16+esm7
                                  Available with Ubuntu Pro
  ruby2.5                         2.5.1-1ubuntu1.16+esm7
                                  Available with Ubuntu Pro

Ubuntu 16.04 LTS
  libruby2.3                      2.3.1-2~ubuntu16.04.16+esm12
                                  Available with Ubuntu Pro
  ruby2.3                         2.3.1-2~ubuntu16.04.16+esm12
                                  Available with Ubuntu Pro
  ruby2.3-tcltk                   2.3.1-2~ubuntu16.04.16+esm12
                                  Available with Ubuntu Pro

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

References

https://ubuntu.com/security/notices/USN-8137-1

CVE-2025-61594

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-8137-1

Topics%20covered

Topics Covered

security advisory remote attack Ubuntu information exposure ruby sensitive information

Package Information

https://launchpad.net/ubuntu/+source/ruby3.3/3.3.8-2ubuntu2.1
https://launchpad.net/ubuntu/+source/ruby3.2/3.2.3-1ubuntu0.24.04.7
https://launchpad.net/ubuntu/+source/ruby3.0/3.0.2-7ubuntu2.12

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