Critical Path Traversal Vulnerabilities in rubygem-yard for Fedora 43 and 44

Linuxsecurity

Critical Path Traversal Vulnerabilities in rubygem-yard for Fedora 43 and 44

First seen 5 Jun 2026, 12:10 UTC • •70.5

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ThreatCluster •June 6, 2026 at 11:53 UTC

•Critical path traversal vulnerabilities identified in rubygem-yard for Fedora 43 and 44.
•Updates backported from versions 0.9.41 and 0.9.44 to address the issues.
•Users must upgrade to patched versions to prevent unauthorized file access.

On June 5, 2026, Fedora released updates addressing critical path traversal vulnerabilities in the rubygem-yard documentation tool. The vulnerabilities were backported from versions 0.9.41 and 0.9.44 and affect Fedora 43 and 44 systems. Users are advised to upgrade to the patched versions to mitigate potential exploitation risks. The vulnerabilities could allow unauthorized access to sensitive files, posing a significant risk to affected systems. The updates were announced by Mamoru Tasaka on May 28, 2026, and are available through the 'dnf' update program. The affected versions are 0.9.40-2 for Fedora 44 and 0.9.37-5 for Fedora 43. Administrators are urged to apply the updates promptly to ensure system security.

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Timeline

2026-05-28

Backporting of fixes initiated

Mamoru Tasaka backported fixes for path traversal vulnerabilities in rubygem-yard for Fedora 43 and 44.

2026-06-05

Updates released for Fedora 43 and 44

Fedora announced updates for rubygem-yard, addressing critical vulnerabilities affecting both versions.

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Threat Graph

4 entities, 3 inferred relationships (STIX 2.1).

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Technique (1)

Zero-day Exploit

Organization (1)

Fedora

Weakness (1)

CWE-22 - Path Traversal

Affected Platform (1)

Ruby

Relationships

Zero-day Exploit targets Ruby
Zero-day Exploit related to Fedora
Zero-day Exploit related to CWE-22 - Path Traversal

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