RHEL 9 : Satellite 6.18.6 Async Update (Important) (RHSA-2026:28385)

high Nessus Plugin ID 322312

Synopsis

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

Description

The remote Redhat Enterprise Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2026:28385 advisory.

Red Hat Satellite is a system management solution that allows organizations to configure and maintain their systems without the necessity to provide public Internet access to their servers or other client systems. It performs provisioning and configuration management of predefined standard operating environments.

Security Fix(es):

* python3.12-pillow: Pillow: Out-of-bounds Write via Specially Crafted PSD Image (CVE-2026-25990)
* candlepin: com.mchange/c3p0: c3p0: Arbitrary Code Execution via deserialization of crafted objects (CVE-2026-27830)
* dynflow-utils: Root.Chmod can follow symlinks out of the root (CVE-2026-32282)

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 affected packages.

Plugin Details

Severity: High

ID: 322312

File Name: redhat-RHSA-2026-28385.nasl

Version: 1.1

Type: Local

Agent: unix

Family: Red Hat Local Security Checks

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: High

Score: 7.3

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 4.4

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

CVSS Score Source: CVE-2026-32282

CVSS v3

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 5.6

Vector: CVSS:3.0/AV:L/AC:H/PR:H/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: High

Base Score: 8.9

Threat Score: 5.9

Threat Vector: CVSS:4.0/E:U

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

CVSS Score Source: CVE-2026-27830

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:candlepin, p-cpe:/a:redhat:enterprise_linux:candlepin-selinux, cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:redhat:enterprise_linux:dynflow-utils, p-cpe:/a:redhat:enterprise_linux:python3.12-pillow

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: 6/23/2026

Vulnerability Publication Date: 2/11/2026

Reference Information

CVE: CVE-2026-25990, CVE-2026-27830, CVE-2026-32282

CWE: 367, 502, 787

RHSA: 2026:28385

Detections

Analytics