RHSA-2026:50263 - Security Advisory

Topic

A new release is now available for Red Hat Satellite 6.18 for RHEL 9.

Red Hat Product Security has rated this update as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

Description

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)

Solution

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

Affected Products

• Red Hat Satellite 6.18 x86_64
• Red Hat Satellite Capsule 6.18 x86_64
• Red Hat Enterprise Linux for x86_64 9 x86_64

Fixes

• BZ - 2396054 - CVE-2025-9230 openssl: Out-of-bounds read & write in RFC 3211 KEK Unwrap
• BZ - 2458187 - CVE-2026-2332 org.eclipse.jetty/jetty-http: HTTP request smuggling via chunked extension quoted-string parsing
• BZ - 2482734 - CVE-2026-48526 python-pyjwt: PyJWT: Authentication bypass due to forged JSON Web Tokens
• BZ - 2489812 - CVE-2026-12515 katello: missing repository authorization in content_uploads exposes cross-product content existence
• BZ - 2492252 - CVE-2026-54297 faraday: Faraday: Denial of Service via crafted nested query strings
• BZ - 2492952 - CVE-2026-57236 nokogiri: Nokogiri: Denial of Service or Information Disclosure via invalid encoding handling
• BZ - 2497452 - CVE-2026-55379 python-pillow: Pillow: Denial of Service via crafted BDF font file
• BZ - 2497455 - CVE-2026-55380 python-pillow: Pillow: Denial of Service via crafted GD 2.x image file
• BZ - 2497464 - CVE-2026-54059 python-pillow: Pillow: Denial of Service via crafted PCF font data
• BZ - 2497466 - CVE-2026-54060 python-pillow: Pillow: Denial of Service via excessive memory allocation when processing font files
• SAT-48160 - Update of scap-security-guide-satellite package sources [rhn_satellite_6.18]
• SAT-48161 - API endpoint GET /api/host_packages/installed_packages in apidoc is wrong [rhn_satellite_6.18]
• SAT-48162 - Unable to save bookmark report under Hosts ? All Hosts ? Compliance ? Reports [satellite_6.18]
• SAT-48302 - 'Katello::Errors::Pulp3Error: nextval: reached maximum value of sequence "container_blobmanifest_id_seq"' during container image sync [satellite_6.18]

CVEs

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

References

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