Critical Ruby Vulnerability Exposes Sensitive Information in Ubuntu

• •Ruby URI gem vulnerability allows sensitive information exposure.
• •Affected Ubuntu releases include 25.10, 24.04 LTS, and earlier versions.
• •Users must update to specific package versions to mitigate risks.

A critical security vulnerability has been identified in the Ruby URI gem affecting multiple Ubuntu releases, including 25.10, 24.04 LTS, 22.04 LTS, 20.04 LTS, 18.04 LTS, and 16.04 LTS. The flaw allows remote attackers to potentially leak sensitive information, including authentication credentials, by improperly handling URIs. The vulnerability is linked to CVE-2025-61594, published on December 30, 2025. Users are advised to update their systems to the latest package versions to mitigate the risk. The affected Ruby versions include 3.3, 3.2, 3.0, 2.7, 2.5, and 2.3. A standard system update will address the issue across the affected Ubuntu versions. The vulnerability poses a significant risk to users who may inadvertently expose sensitive data through applications utilizing the Ruby URI gem.