Rocky Linux 8 [CIQ] Security Update: perl / perl-Algorithm-Diff / perl-Archive-Tar / perl-Archive-Zip / etc (crlsa-2026_85917)

medium Nessus Plugin ID 375486

Synopsis

The Rocky Linux host is missing one or more security updates.

Description

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-2026_85917 advisory.

* URI: URI (for Perl): Security bypass due to incorrect hostname encoding via missing Unicode normalization (CVE-2026-19953)

Tenable has extracted the preceding description block directly from the CIQ 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 affected packages based on the guidance in CIQ advisory crlsa-2026_85917.

See Also

https://access.redhat.com/errata/RHSA-2026:85917

https://bugzilla.redhat.com/show_bug.cgi?id=2526492

https://errata.build.resf.org/RLSA-2026:85917

http://www.nessus.org/u?09b79d5d

http://www.nessus.org/u?5264d7b0

Plugin Details

Severity: Medium

ID: 375486

File Name: ciq_rocky_linux_8_crlsa-2026_85917.nasl

Version: 1.1

Type: Local

Published: 11/3/2026

Updated: 11/3/2026

Supported Sensors: Nessus Agent, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Low

Score: 2.1

Percentile: 8.12

Vendor

Vendor Severity: Unknown

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

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

CVSS Score Source: CVE-2026-19953

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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

Vulnerability Information

Required KB Items: Host/local_checks_enabled, Host/cpu, Host/RockyLinux/release, Host/RockyLinux/rpm-list, Host/OS/extended-third-party

Exploit Ease: No known exploits are available

Patch Publication Date: 11/3/2026

Vulnerability Publication Date: 8/21/2026

Reference Information

CVE: CVE-2026-19953