RHEL 9 : Satellite 6.18.8 Async Update (Important) (RHSA-2026:50263)

medium Nessus Plugin ID 331961

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-2026:50263 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):

* puppetserver: HTTP request smuggling via chunked extension quoted-string parsing (CVE-2026-2332)

* python-pyjwt: PyJWT: Authentication bypass due to forged JSON Web Tokens (CVE-2026-48526)

* rubygem-katello: missing repository authorization in content_uploads exposes cross-product content existence (CVE-2026-12515)

* rubygem-faraday-rack: Faraday: Denial of Service via crafted nested query strings (CVE-2026-54297)

* python3.12-pillow: Pillow: Denial of Service via crafted BDF font file (CVE-2026-55379)

* python3.12-pillow: Pillow: Denial of Service via crafted GD 2.x image file (CVE-2026-55380)

* python3.12-pillow: Pillow: Denial of Service via crafted PCF font data (CVE-2026-54059)

* python3.12-pillow: Pillow: Denial of Service via excessive memory allocation when processing font files (CVE-2026-54060)

* rubygem-nokogiri: Nokogiri: Denial of Service or Information Disclosure via invalid encoding handling (CVE-2026-57236)

* puppet-agent: Out-of-bounds read & write in RFC 3211 KEK Unwrap (CVE-2025-9230)

Bug Fix(es):

* Backport OpenVox Server and Agent Packaging to Satellite and Capsule 6.18 (SAT-44866)

* Update of scap-security-guide-satellite package sources (SAT-48160)

* API endpoint GET /api/host_packages/installed_packages in apidoc is wrong (SAT-48161)

* Unable to save bookmark report under Hosts All Hosts Compliance Reports (SAT-48162)

* 'Katello::Errors::Pulp3Error: nextval: reached maximum value of sequence container_blobmanifest_id_seq' during container image sync (SAT-48302)

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.

See Also

https://access.redhat.com/errata/RHSA-2026:50263

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

https://bugzilla.redhat.com/show_bug.cgi?id=2396054

https://bugzilla.redhat.com/show_bug.cgi?id=2458187

https://bugzilla.redhat.com/show_bug.cgi?id=2482734

https://bugzilla.redhat.com/show_bug.cgi?id=2489812

https://bugzilla.redhat.com/show_bug.cgi?id=2492252

https://bugzilla.redhat.com/show_bug.cgi?id=2492952

https://bugzilla.redhat.com/show_bug.cgi?id=2497452

https://bugzilla.redhat.com/show_bug.cgi?id=2497455

https://bugzilla.redhat.com/show_bug.cgi?id=2497464

https://bugzilla.redhat.com/show_bug.cgi?id=2497466

https://issues.redhat.com/browse/SAT-44866

https://issues.redhat.com/browse/SAT-48160

https://issues.redhat.com/browse/SAT-48161

https://issues.redhat.com/browse/SAT-48162

https://issues.redhat.com/browse/SAT-48302

http://www.nessus.org/u?ff6fc0ac

Plugin Details

Severity: Medium

ID: 331961

File Name: redhat-RHSA-2026-50263.nasl

Version: 1.1

Type: Local

Agent: unix

Published: 8/4/2026

Updated: 8/4/2026

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Tenable Cloud Security, Tenable Self-Hosted Container Security, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7

Percentile: 98.23

Vendor

Vendor Severity: Important

CVSS v2

Risk Factor: High

Base Score: 9.4

Temporal Score: 7.4

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

CVSS Score Source: CVE-2026-2332

CVSS v3

Risk Factor: Critical

Base Score: 9.1

Temporal Score: 8.2

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:P/RL:O/RC:C

CVSS v4

Risk Factor: Medium

Base Score: 6.3

Threat Score: 2.9

Threat Vector: CVSS:4.0/E:P

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

CVSS Score Source: CVE-2026-57236

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:9, p-cpe:/a:redhat:enterprise_linux:openvox-agent, p-cpe:/a:redhat:enterprise_linux:openvox-server, p-cpe:/a:redhat:enterprise_linux:python3.12-pillow, p-cpe:/a:redhat:enterprise_linux:python3.12-pyjwt, p-cpe:/a:redhat:enterprise_linux:python3.12-pyjwt%2bcrypto, p-cpe:/a:redhat:enterprise_linux:rubygem-faraday, p-cpe:/a:redhat:enterprise_linux:rubygem-katello, p-cpe:/a:redhat:enterprise_linux:rubygem-nokogiri

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: 8/4/2026

Vulnerability Publication Date: 4/9/2024

Reference Information

CVE: CVE-2025-9230, CVE-2026-12515, CVE-2026-2332, CVE-2026-48526, CVE-2026-54059, CVE-2026-54060, CVE-2026-54297, CVE-2026-55379, CVE-2026-55380, CVE-2026-57236

CWE: 1050, 1285, 347, 409, 444, 770, 787, 825, 862

RHSA: 2026:50263