Rocky Linux 8 [CIQ] Security Update: perl-Archive-Tar (crlsa-2026_30852)

critical Nessus Plugin ID 359293

Synopsis

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

Description

The Rocky Linux 8 host has a package installed that is affected by a vulnerability as referenced in the CIQ crlsa-2026_30852 advisory.

* perl-archive-tar: perl-archive-tar: Path traversal via crafted symlinks allows arbitrary file access (CVE-2026-42496)

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 perl-Archive-Tar package based on the guidance in CIQ advisory crlsa-2026_30852.

See Also

https://access.redhat.com/errata/RHSA-2026:30852

https://bugzilla.redhat.com/show_bug.cgi?id=2481314

https://errata.build.resf.org/RLSA-2026:30852

http://www.nessus.org/u?0a4f1225

http://www.nessus.org/u?bfb7529f

Plugin Details

Severity: Critical

ID: 359293

File Name: ciq_rocky_linux_8_crlsa-2026_30852.nasl

Version: 1.1

Type: Local

Published: 10/1/2026

Updated: 10/1/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.3

Percentile: 53.39

Vendor

Vendor Severity: Unknown

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7

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

CVSS Score Source: CVE-2026-42496

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:H/A:N

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

Vulnerability Information

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/29/2026

Vulnerability Publication Date: 5/26/2026

Reference Information

CVE: CVE-2026-42496