Arbitrary Command Injection Affecting rubygems-devel package, versions <0:3.5.22-7.module+el8.10.0+40227+8cae5065


Severity

Recommended
high

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
1.25% (69th percentile)

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  • Snyk IDSNYK-ROCKY8-RUBYGEMSDEVEL-17815330
  • published4 Jul 2026
  • disclosed9 May 2026

Introduced: 9 May 2026

CVE-2026-42258  (opens in a new tab)
CWE-77  (opens in a new tab)
CWE-93  (opens in a new tab)

How to fix?

Upgrade Rocky-Linux:8 rubygems-devel to version 0:3.5.22-7.module+el8.10.0+40227+8cae5065 or higher.
This issue was patched in RLSA-2026:33515.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rubygems-devel package and not the rubygems-devel package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:8 relevant fixed versions and status.

Net::IMAP implements Internet Message Access Protocol (IMAP) client functionality in Ruby. Prior to versions 0.4.24, 0.5.14, and 0.6.4, symbol arguments to commands are vulnerable to a CRLF Injection / IMAP Command injection via Symbol arguments passed to IMAP commands. This issue has been patched in versions 0.4.24, 0.5.14, and 0.6.4.

CVSS Base Scores

version 3.1