Detections
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RHEL 8 : perl (RHSA-2026:67162)

critical Nessus Plugin ID 345601

Synopsis

The remote Red Hat host is missing a security update for perl.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2026:67162 advisory.

 Perl is a high-level programming language that is commonly used for system administration utilities and web programming.

 Security Fix(es):

 * perl: Perl: Incorrect regular expression processing via large regular expressions (CVE-2026-13221)

 For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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

Solution

Update the RHEL perl package based on the guidance in RHSA-2026:67162.

See Also

https://access.redhat.com/errata/RHSA-2026:67162

https://access.redhat.com/security/updates/classification/#moderate

https://bugzilla.redhat.com/show_bug.cgi?id=2499727

http://www.nessus.org/u?313c168c

Plugin Details

Severity: Critical

ID: 345601

File Name: redhat-RHSA-2026-67162.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 9/14/2026

Updated: 9/14/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.3

Percentile: 96.59

Vendor

Vendor Severity: Moderate

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7

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

CVSS Score Source: CVE-2026-13221

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:N/I:H/A:H

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:rhel_eus:8.10, p-cpe:/a:redhat:enterprise_linux:perl-attribute-handlers, p-cpe:/a:redhat:enterprise_linux:perl-devel-peek, p-cpe:/a:redhat:enterprise_linux:perl-devel-selfstubber, p-cpe:/a:redhat:enterprise_linux:perl-devel, p-cpe:/a:redhat:enterprise_linux:perl-errno, p-cpe:/a:redhat:enterprise_linux:perl-extutils-embed, p-cpe:/a:redhat:enterprise_linux:perl-extutils-miniperl, p-cpe:/a:redhat:enterprise_linux:perl-interpreter, p-cpe:/a:redhat:enterprise_linux:perl-io-zlib, p-cpe:/a:redhat:enterprise_linux:perl-io, p-cpe:/a:redhat:enterprise_linux:perl-libnetcfg, p-cpe:/a:redhat:enterprise_linux:perl-libs, p-cpe:/a:redhat:enterprise_linux:perl-locale-maketext-simple, p-cpe:/a:redhat:enterprise_linux:perl-macros, p-cpe:/a:redhat:enterprise_linux:perl-math-complex, p-cpe:/a:redhat:enterprise_linux:perl-memoize, p-cpe:/a:redhat:enterprise_linux:perl-module-loaded, p-cpe:/a:redhat:enterprise_linux:perl-net-ping, p-cpe:/a:redhat:enterprise_linux:perl-open, p-cpe:/a:redhat:enterprise_linux:perl-pod-html, p-cpe:/a:redhat:enterprise_linux:perl-selfloader, p-cpe:/a:redhat:enterprise_linux:perl-test, p-cpe:/a:redhat:enterprise_linux:perl-tests, p-cpe:/a:redhat:enterprise_linux:perl-time-piece, p-cpe:/a:redhat:enterprise_linux:perl-utils, p-cpe:/a:redhat:enterprise_linux:perl

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

Exploit Ease: No known exploits are available

Patch Publication Date: 9/14/2026

Vulnerability Publication Date: 7/13/2026

Reference Information

CVE: CVE-2026-13221

CWE: 625

RHSA: 2026:67162