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RHEL 9 : hplip (RHSA-2026:26297)

critical Nessus Plugin ID 321265

Synopsis

The remote Red Hat host is missing one or more security updates for hplip.

Description

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2026:26297 advisory.

 The hplip packages contain the Hewlett-Packard Linux Imaging and Printing Project (HPLIP), which provides drivers for Hewlett-Packard printers and multi-function peripherals.

 Security Fix(es):

 * HPLIP: HPLIP: Privilege escalation and arbitrary code execution via operating system command injection (CVE-2026-8632)

 * HPLIP: HPLIP: Arbitrary code execution and privilege escalation via integer overflow in hpcups (CVE-2026-8631)

 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 these issues but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL hplip package based on the guidance in RHSA-2026:26297.

See Also

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

https://bugzilla.redhat.com/show_bug.cgi?id=2480297

https://bugzilla.redhat.com/show_bug.cgi?id=2480300

http://www.nessus.org/u?eb3e2fb1

https://access.redhat.com/errata/RHSA-2026:26297

Plugin Details

Severity: Critical

ID: 321265

File Name: redhat-RHSA-2026-26297.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 6/16/2026

Updated: 6/16/2026

Supported Sensors: Continuous Assessment, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Critical

Base Score: 10

Temporal Score: 7.4

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

CVSS Score Source: CVE-2026-8631

CVSS v3

Risk Factor: Critical

Base Score: 9.8

Temporal Score: 8.5

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

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

CVSS v4

Risk Factor: Critical

Base Score: 9.3

Threat Score: 8.1

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

CPE: cpe:/o:redhat:rhel_eus:9.8, p-cpe:/a:redhat:enterprise_linux:hplip, cpe:/o:redhat:enterprise_linux:9

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: 6/16/2026

Vulnerability Publication Date: 5/20/2026

Reference Information

CVE: CVE-2026-8631, CVE-2026-8632

CWE: 190, 78

RHSA: 2026:26297