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Directory Traversal Affecting ruby4.0 package, versions <0:4.0.0-33.3.hum1

Severity

 Recommended
0.0
medium
0
10

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
1.34% (81st percentile)

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  • Snyk IDSNYK-RHEL10-RUBY40-16079921
  • published16 Apr 2026
  • disclosed28 Mar 2018
Report a new vulnerability Found a mistake?

Introduced: 28 Mar 2018

CVE-2018-8780  (opens in a new tab)
CWE-22  (opens in a new tab)

How to fix?

Upgrade RHEL:10 ruby4.0 to version 0:4.0.0-33.3.hum1 or higher.
This issue was patched in RHSA-2026:8838.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ruby4.0 package and not the ruby4.0 package as distributed by RHEL. See How to fix? for RHEL:10 relevant fixed versions and status.

In Ruby before 2.2.10, 2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before 2.5.1, and 2.6.0-preview1, the Dir.open, Dir.new, Dir.entries and Dir.empty? methods do not check NULL characters. When using the corresponding method, unintentional directory traversal may be performed.

References