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Oracle Linux 8 : ruby:2.5 (ELSA-2026-73519)

medium Nessus Plugin ID 364462

Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2026-73519 advisory.

 - Fix integer overflow in search_in_range function in regexec.c (CVE-2019-19012).
 Resolves: RHEL-87505
 - Fix REXML ReDoS vulnerability. (CVE-2024-49761) Resolves: RHEL-68515
 - Fix ReDoS vulnerability - upstream's incomplete fix for CVE-2023-28755.
 (CVE-2023-36617) Resolves: RHEL-5614
 - Fix Buffer overread vulnerability in StringIO.
 (CVE-2024-27280) Resolves: RHEL-34125
 - Fix RCE vulnerability with .rdoc_options in RDoc.
 (CVE-2024-27281) Resolves: RHEL-34117
 - Fix Arbitrary memory address read vulnerability with Regex search.
 (CVE-2024-27282) Resolves: RHEL-33867
 - Fix REXML DoS parsing an XML with many <s in an attribute value.
 (CVE-2024-35176) Resolves: RHEL-37877
 - Fix HTTP response splitting in CGI.
 Resolves: CVE-2021-33621
 - Fix Buffer overrun in String-to-Float conversion.
 Resolves: CVE-2022-28739
 - Fix ReDoS vulnerability in URI.
 Resolves: CVE-2023-28755
 - Fix ReDoS vulnerability in Time.
 Resolves: CVE-2023-28756
 - Fix by adding length limit option for methods that parses date strings.
 Resolves: CVE-2021-41817
 - CGI::Cookie.parse no longer decodes cookie names to prevent spoofing security prefixes in cookie names.
 Resolves: CVE-2021-41819
 - Properly fix command injection vulnerability in Rdoc.
 Related: CVE-2021-31799
 - Fix command injection vulnerability in RDoc.
 Resolves: CVE-2021-31799
 - Fix StartTLS stripping vulnerability in Net::IMAP Resolves: CVE-2021-32066
 - Fix FTP PASV command response can cause Net::FTP to connect to arbitrary host.
 Resolves: CVE-2021-31810
 - Fix unexpected code execution in Gemfiles (CVE-2021-43809) Resolves: RHEL-87017
 - Fix Bundler dependency confusion.
 Resolves: CVE-2020-36327
 - Fix Data disclosure and denial of service via query-operator injection.
 (CVE-2026-88030) Resolves: RHEL-259675

Tenable has extracted the preceding description block directly from the Oracle Linux 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://linux.oracle.com/errata/ELSA-2026-73519.html

Plugin Details

Severity: Medium

ID: 364462

File Name: oraclelinux_ELSA-2026-73519.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 10/9/2026

Updated: 10/9/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.5

Percentile: 96.46

CVSS v2

Risk Factor: High

Base Score: 8.7

Temporal Score: 6.4

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

CVSS Score Source: CVE-2026-88030

CVSS v3

Risk Factor: High

Base Score: 8.3

Temporal Score: 7.2

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

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

CVSS v4

Risk Factor: Medium

Base Score: 6.1

Threat Score: 2.4

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

CPE: cpe:/o:oracle:linux:8, p-cpe:/a:oracle:linux:ruby-devel, p-cpe:/a:oracle:linux:ruby-doc, p-cpe:/a:oracle:linux:ruby-irb, p-cpe:/a:oracle:linux:ruby-libs, p-cpe:/a:oracle:linux:ruby, p-cpe:/a:oracle:linux:rubygem-abrt-doc, p-cpe:/a:oracle:linux:rubygem-abrt, p-cpe:/a:oracle:linux:rubygem-bigdecimal, p-cpe:/a:oracle:linux:rubygem-bson-doc, p-cpe:/a:oracle:linux:rubygem-bson, p-cpe:/a:oracle:linux:rubygem-bundler-doc, p-cpe:/a:oracle:linux:rubygem-bundler, p-cpe:/a:oracle:linux:rubygem-did_you_mean, p-cpe:/a:oracle:linux:rubygem-io-console, p-cpe:/a:oracle:linux:rubygem-json, p-cpe:/a:oracle:linux:rubygem-minitest, p-cpe:/a:oracle:linux:rubygem-mongo-doc, p-cpe:/a:oracle:linux:rubygem-mongo, p-cpe:/a:oracle:linux:rubygem-mysql2-doc, p-cpe:/a:oracle:linux:rubygem-mysql2, p-cpe:/a:oracle:linux:rubygem-net-telnet, p-cpe:/a:oracle:linux:rubygem-openssl, p-cpe:/a:oracle:linux:rubygem-pg-doc, p-cpe:/a:oracle:linux:rubygem-pg, p-cpe:/a:oracle:linux:rubygem-power_assert, p-cpe:/a:oracle:linux:rubygem-psych, p-cpe:/a:oracle:linux:rubygem-rake, p-cpe:/a:oracle:linux:rubygem-rdoc, p-cpe:/a:oracle:linux:rubygem-test-unit, p-cpe:/a:oracle:linux:rubygem-xmlrpc, p-cpe:/a:oracle:linux:rubygems-devel, p-cpe:/a:oracle:linux:rubygems

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/OracleLinux

Exploit Ease: No known exploits are available

Patch Publication Date: 10/2/2026

Vulnerability Publication Date: 8/27/2026

Reference Information

CVE: CVE-2026-80212, CVE-2026-88030