RockyLinux 9 : ruby:4.0 (RLSA-2026:20596)

high Nessus Plugin ID 318036

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Synopsis

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

Description

The remote RockyLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RLSA-2026:20596 advisory.

* ruby/json: Ruby JSON: Denial of Service or Information Disclosure via format string injection (CVE-2026-33210)

* erb: ERB: Arbitrary code execution via deserialization bypass (CVE-2026-41316)

Tenable has extracted the preceding description block directly from the RockyLinux 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.

Plugin Details

Severity: High

ID: 318036

File Name: rocky_linux_RLSA-2026-20596.nasl

Version: 1.2

Type: Local

Family: Rocky Linux Local Security Checks

Published: 5/30/2026

Updated: 6/2/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7

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

CVSS Score Source: CVE-2026-33210

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 7.9

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

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

CVSS v4

Risk Factor: High

Base Score: 8.3

Threat Score: 4.8

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

CPE: p-cpe:/a:rocky:linux:rubygem-bundler, p-cpe:/a:rocky:linux:rubygem-minitest, p-cpe:/a:rocky:linux:ruby-default-gems, p-cpe:/a:rocky:linux:ruby-debuginfo, p-cpe:/a:rocky:linux:rubygem-pg-debugsource, p-cpe:/a:rocky:linux:rubygem-racc-debuginfo, p-cpe:/a:rocky:linux:rubygem-rake, p-cpe:/a:rocky:linux:rubygem-json-debuginfo, p-cpe:/a:rocky:linux:ruby-libs, p-cpe:/a:rocky:linux:rubygem-irb, p-cpe:/a:rocky:linux:ruby-libs-debuginfo, p-cpe:/a:rocky:linux:rubygem-racc, p-cpe:/a:rocky:linux:ruby-bundled-gems-debuginfo, p-cpe:/a:rocky:linux:rubygem-bigdecimal-debuginfo, p-cpe:/a:rocky:linux:rubygem-test-unit, p-cpe:/a:rocky:linux:ruby, p-cpe:/a:rocky:linux:ruby-doc, p-cpe:/a:rocky:linux:rubygem-json, p-cpe:/a:rocky:linux:rubygem-rss, p-cpe:/a:rocky:linux:rubygem-rexml, p-cpe:/a:rocky:linux:rubygem-mysql2-doc, p-cpe:/a:rocky:linux:rubygem-pg, p-cpe:/a:rocky:linux:rubygem-bigdecimal, p-cpe:/a:rocky:linux:rubygem-mysql2, p-cpe:/a:rocky:linux:rubygem-rbs-debuginfo, p-cpe:/a:rocky:linux:rubygem-pg-doc, p-cpe:/a:rocky:linux:ruby-devel, p-cpe:/a:rocky:linux:rubygem-mysql2-debuginfo, p-cpe:/a:rocky:linux:ruby-debugsource, cpe:/o:rocky:linux:9, p-cpe:/a:rocky:linux:rubygem-psych, p-cpe:/a:rocky:linux:rubygems, p-cpe:/a:rocky:linux:rubygem-rdoc, p-cpe:/a:rocky:linux:rubygem-io-console, p-cpe:/a:rocky:linux:rubygem-psych-debuginfo, p-cpe:/a:rocky:linux:rubygem-typeprof, p-cpe:/a:rocky:linux:ruby-bundled-gems, p-cpe:/a:rocky:linux:rubygem-mysql2-debugsource, p-cpe:/a:rocky:linux:rubygem-pg-debuginfo, p-cpe:/a:rocky:linux:rubygem-power_assert, p-cpe:/a:rocky:linux:rubygem-rbs, p-cpe:/a:rocky:linux:rubygem-io-console-debuginfo, p-cpe:/a:rocky:linux:rubygems-devel

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

Exploit Ease: No known exploits are available

Patch Publication Date: 5/28/2026

Vulnerability Publication Date: 3/19/2026

Reference Information

CVE: CVE-2026-33210, CVE-2026-41316

Detections

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