RHEL 9 : perl-IO-Compress (RHSA-2026:29182)

high Nessus Plugin ID 322557

Synopsis

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

Description

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2026:29182 advisory.

This distribution provides a Perl interface to allow reading and writing of compressed data created with the zlib and bzip2 libraries. IO-Compress supports reading and writing of bzip2, RFC 1950, RFC 1951, RFC 1952 (i.e. gzip) and zip files/buffers. The following modules used to be distributed separately, but are now included with the IO-Compress distribution:
* Compress-Zlib
* IO-Compress-Zlib
* IO-Compress-Bzip2
* IO-Compress-Base

Security Fix(es):

* perl-IO-Compress: perl-IO-Compress: Arbitrary code execution via attacker-controlled output glob (CVE-2026-48962)

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-IO-Compress package based on the guidance in RHSA-2026:29182.

See Also

https://access.redhat.com/errata/RHSA-2026:29182

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

https://bugzilla.redhat.com/show_bug.cgi?id=2481767

http://www.nessus.org/u?85d86b1f

Plugin Details

Severity: High

ID: 322557

File Name: redhat-RHSA-2026-29182.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 6/24/2026

Updated: 6/24/2026

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Continuous Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.2

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.9

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

CVSS Score Source: CVE-2026-48962

CVSS v3

Risk Factor: High

Base Score: 7.3

Temporal Score: 6.6

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

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:perl-io-compress, cpe:/o:redhat:rhel_e4s:9.4

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/24/2026

Vulnerability Publication Date: 5/27/2026

Reference Information

CVE: CVE-2026-48962

CWE: 94

RHSA: 2026:29182