Arbitrary Command Injection Affecting ruby3.4 package, versions <3.4.10-150700.3.4.1


Severity

Recommended
0.0
medium
0
10

Based on SUSE Linux Enterprise Server security rating.

Threat Intelligence

EPSS
0.81% (53rd percentile)

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  • Snyk IDSNYK-SLES157-RUBY34-18010752
  • published18 Jul 2026
  • disclosed17 Jul 2026

Introduced: 17 Jul 2026

NewCVE-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 SLES:15.7 ruby3.4 to version 3.4.10-150700.3.4.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ruby3.4 package and not the ruby3.4 package as distributed by SLES. See How to fix? for SLES:15.7 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