Arbitrary Command Injection Affecting rubygem-bigdecimal-debuginfo package, versions <0:4.0.1-34.module+el9.8.0+40271+b5850c84


Severity

Recommended
high

Based on Rocky Linux security rating.

Threat Intelligence

EPSS
0.13% (4th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk IDSNYK-ROCKY9-RUBYGEMBIGDECIMALDEBUGINFO-19400992
  • published28 Aug 2026
  • disclosed22 Jun 2026

Introduced: 22 Jun 2026

CVE-2026-47242  (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:9 rubygem-bigdecimal-debuginfo to version 0:4.0.1-34.module+el9.8.0+40271+b5850c84 or higher.
This issue was patched in RLSA-2026:50827.

NVD Description

Note: Versions mentioned in the description apply only to the upstream rubygem-bigdecimal-debuginfo package and not the rubygem-bigdecimal-debuginfo package as distributed by Rocky-Linux. See How to fix? for Rocky-Linux:9 relevant fixed versions and status.

Net::IMAP implements Internet Message Access Protocol (IMAP) client functionality in Ruby. Prior to 0.6.5 and 0.5.15, when Net::IMAP#id is called with a hash argument, although the ID field value strings are correctly quoted (escaping quoted specials), they were not validated to prohibit CRLF sequences. While Net::IMAP#enable does process its arguments for aliases, it does not validate them as valid atoms (or as a list of valid atoms). The #to_s value is sent verbatim. Arguments to either command could be used by an attacker to inject arbitrary IMAP commands. This vulnerability is fixed in 0.6.5 and 0.5.15.

CVSS Base Scores

version 3.1