RHSA-2026:50223 - Security Advisory

Topic

An update is now available for Red Hat Satellite 6.16 for RHEL 8 and 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):

• puppet-agent: Out-of-bounds read & write in RFC 3211 KEK Unwrap (CVE-2025-9230)
• puppetserver: HTTP request smuggling via chunked extension quoted-string parsing (CVE-2026-2332)
• python-pillow: Pillow: Denial of Service via crafted BDF font file (CVE-2026-55379)
• python-pillow: Pillow: Denial of Service via crafted GD 2.x image file (CVE-2026-55380)
• python-pillow: Pillow: Denial of Service via crafted PCF font data (CVE-2026-54059)
• python-pillow: Pillow: Denial of Service via excessive memory allocation when processing font files (CVE-2026-54060)
• python-pillow: Pillow: Native heap out-of-bounds write (CVE-2026-59197)
• python-pyjwt: PyJWT: Authentication bypass due to forged JSON Web Tokens (CVE-2026-48526)
• rubygem-faraday-cookie_jar: Faraday: Denial of Service via crafted nested query strings (CVE-2026-54297)
• rubygem-faraday-em_http: Faraday: Denial of Service via crafted nested query strings (CVE-2026-54297)
• rubygem-faraday-em_synchrony: Faraday: Denial of Service via crafted nested query strings (CVE-2026-54297)
• rubygem-faraday-excon: Faraday: Denial of Service via crafted nested query strings (CVE-2026-54297)
• rubygem-faraday: Faraday: Denial of Service via crafted nested query strings (CVE-2026-54297)
• rubygem-faraday-httpclient: Faraday: Denial of Service via crafted nested query strings (CVE-2026-54297)
• rubygem-faraday_middleware: Faraday: Denial of Service via crafted nested query strings (CVE-2026-54297)
• rubygem-faraday-multipart: Faraday: Denial of Service via crafted nested query strings (CVE-2026-54297)
• rubygem-faraday-net_http: Faraday: Denial of Service via crafted nested query strings (CVE-2026-54297)
• rubygem-faraday-net_http_persistent: Faraday: Denial of Service via crafted nested query strings (CVE-2026-54297)
• rubygem-faraday-patron: Faraday: Denial of Service via crafted nested query strings (CVE-2026-54297)
• rubygem-faraday-rack: Faraday: Denial of Service via crafted nested query strings (CVE-2026-54297)
• rubygem-faraday-retry: Faraday: Denial of Service via crafted nested query strings (CVE-2026-54297)
• rubygem-katello: missing repository authorization in content_uploads exposes cross-product content existence (CVE-2026-12515)
• rubygem-nokogiri: Nokogiri: Denial of Service or Information Disclosure via invalid encoding handling (CVE-2026-57236)
• libsolv: Heap buffer overflow in libsolv repopagestore via unchecked decompression of malicious .solv page data (CVE-2026-48864)

Bug Fix(es):

• scap-security-guide-satellite: Update of scap-security-guide-satellite package sources
• 'Katello::Errors::Pulp3Error: nextval: reached maximum value of sequence "container_blobmanifest_id_seq"' during container image sync

Solution

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

For detailed instructions how to apply this update, refer to:

https://docs.redhat.com/en/documentation/red_hat_satellite/6.16/html/updating_red_hat_satellite/index

Affected Products

• Red Hat Enterprise Linux for x86_64 9 x86_64
• Red Hat Enterprise Linux for x86_64 8 x86_64
• Red Hat Satellite Extended Update Support 6.16 for RHEL 9 x86_64
• Red Hat Satellite Extended Update Support 6.16 for RHEL 8 x86_64
• Red Hat Satellite Capsule Extended Update Support 6.16 for RHEL 9 x86_64
• Red Hat Satellite Capsule Extended Update Support 6.16 for RHEL 8 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 - 2460425 - CVE-2026-48864 libsolv: Heap buffer overflow in libsolv repopagestore via unchecked decompression of malicious .solv page data
• 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
• BZ - 2500043 - CVE-2026-59197 Pillow: Pillow: Native heap out-of-bounds write
• SAT-48146 - Update of scap-security-guide-satellite package sources [satellite_6.16]
• SAT-48289 - 'Katello::Errors::Pulp3Error: nextval: reached maximum value of sequence "container_blobmanifest_id_seq"' during container image sync [satellite_6.16]
• SAT-44868 - Switch Satellite 6.16 to OpenVox

CVEs

• CVE-2025-9230
• CVE-2026-2332
• CVE-2026-12515
• CVE-2026-48526
• CVE-2026-48864
• CVE-2026-54059
• CVE-2026-54060
• CVE-2026-54297
• CVE-2026-55379
• CVE-2026-55380
• CVE-2026-57236
• CVE-2026-59197

References

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