Detections
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MiracleLinux 8 : [security - high] ruby:3.3 (AXSA:2026-1503:01)

medium Nessus Plugin ID 333609

Synopsis

The remote MiracleLinux host is missing one or more security updates.

Description

The remote MiracleLinux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-1503:01 advisory.

 * zlib: zlib: Memory corruption via buffer overflow in Zlib::GzipReader (CVE-2026-27820)
 * net-imap: Net::IMAP: Arbitrary IMAP command injection via CRLF sequences in unvalidated input (CVE-2026-42257)
 * ruby/net-imap: ruby: Net::IMAP: Denial of Service via large iteration count in SCRAM authentication (CVE-2026-42256)
 * net-imap: Net::IMAP: Command injection via non-synchronizing literals (CVE-2026-47240)
 * net-imap: Net::IMAP: Arbitrary IMAP command injection due to improper input validation (CVE-2026-47242)
 * net-imap: rubygem-net-imap: Net::IMAP: Denial of Service via malformed command input (CVE-2026-47241) Bug Fix(es) and Enhancement(s):
 * ruby:3.3/ruby: Rebase to the latest Ruby 3.3 release [rhel-8] (JIRA:RHEL-170929)

Tenable has extracted the preceding description block directly from the MiracleLinux security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://tsn.miraclelinux.com/en/node/24328

Plugin Details

Severity: Medium

ID: 333609

File Name: miracle_linux_AXSA-2026-1503.nasl

Version: 1.1

Type: Local

Published: 8/10/2026

Updated: 8/10/2026

Supported Sensors: Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.9

Percentile: 57.97

Vendor

Vendor Severity: High

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

CVSS Score Source: CVE-2026-42257

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS v4

Risk Factor: Medium

Base Score: 6.3

Threat Score: 6.3

Threat Vector: CVSS:4.0/E:U

Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N

CVSS Score Source: CVE-2026-27820

Vulnerability Information

CPE: cpe:/o:miracle:linux:8, p-cpe:/a:miracle:linux:ruby-bundled-gems, p-cpe:/a:miracle:linux:ruby-debugsource, p-cpe:/a:miracle:linux:ruby-default-gems, p-cpe:/a:miracle:linux:ruby-devel, p-cpe:/a:miracle:linux:ruby-doc, p-cpe:/a:miracle:linux:ruby-libs, p-cpe:/a:miracle:linux:ruby, p-cpe:/a:miracle:linux:rubygem-abrt-doc, p-cpe:/a:miracle:linux:rubygem-abrt, p-cpe:/a:miracle:linux:rubygem-bigdecimal, p-cpe:/a:miracle:linux:rubygem-bundler, p-cpe:/a:miracle:linux:rubygem-io-console, p-cpe:/a:miracle:linux:rubygem-irb, p-cpe:/a:miracle:linux:rubygem-json, p-cpe:/a:miracle:linux:rubygem-minitest, p-cpe:/a:miracle:linux:rubygem-mysql2-debugsource, p-cpe:/a:miracle:linux:rubygem-mysql2-doc, p-cpe:/a:miracle:linux:rubygem-mysql2, p-cpe:/a:miracle:linux:rubygem-pg-debugsource, p-cpe:/a:miracle:linux:rubygem-pg-doc, p-cpe:/a:miracle:linux:rubygem-pg, p-cpe:/a:miracle:linux:rubygem-power_assert, p-cpe:/a:miracle:linux:rubygem-psych, p-cpe:/a:miracle:linux:rubygem-racc, p-cpe:/a:miracle:linux:rubygem-rake, p-cpe:/a:miracle:linux:rubygem-rbs, p-cpe:/a:miracle:linux:rubygem-rdoc, p-cpe:/a:miracle:linux:rubygem-rexml, p-cpe:/a:miracle:linux:rubygem-rss, p-cpe:/a:miracle:linux:rubygem-test-unit, p-cpe:/a:miracle:linux:rubygem-typeprof, p-cpe:/a:miracle:linux:rubygems-devel, p-cpe:/a:miracle:linux:rubygems

Required KB Items: Host/local_checks_enabled, Host/MiracleLinux/release, Host/MiracleLinux/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 8/10/2026

Vulnerability Publication Date: 4/16/2026

Reference Information

CVE: CVE-2026-27820, CVE-2026-42256, CVE-2026-42257, CVE-2026-47240, CVE-2026-47241, CVE-2026-47242