RHSA-2026:34365 - Security Advisory

Topic

A new release is now available for Red Hat Satellite 6.19 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):

• candlepin: mchange-commons-java: Arbitrary code execution via JNDI dereferencing of crafted objects (CVE-2026-27727)
• yggdrasil-worker-forwarder: Incorrect parsing of IPv6 host literals in net/url (CVE-2026-25679)
• yggdrasil-worker-forwarder: Go crypto/x509: Certificate validation bypass due to incorrect DNS constraint application (CVE-2026-33810)
• yggdrasil-worker-forwarder: Root.Chmod can follow symlinks out of the root (CVE-2026-32282)
• yggdrasil-worker-forwarder: Go: Denial of Service vulnerability in certificate chain building (CVE-2026-32280)
• yggdrasil-worker-forwarder: Go crypto/tls: Denial of Service via multiple TLS 1.3 key update messages (CVE-2026-32283)
• yggdrasil-worker-forwarder: Go crypto/x509: Denial of Service via inefficient certificate chain validation (CVE-2026-32281)
• python-pillow: Pillow: Denial of Service via decompression bomb in FITS image processing (CVE-2026-40192)
• python-pyjwt: PyJWT: Authentication bypass due to forged JSON Web Tokens (CVE-2026-48526)
• foreman: foreman: Cross-tenant private SSH key disclosure via taxonomy scoping bypass (CVE-2026-5142)
• foreman: Foreman: Information disclosure via improper validation of nested request parameters (CVE-2026-5138)
• foreman: Foreman: Privilege escalation to administrator-level access via usergroup role assignment manipulation (CVE-2026-5136)
• foreman: Foreman: Unauthorized modification of host configurations via broken access control (CVE-2026-5135)

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/6.19/html/updating_red_hat_satellite/index

Affected Products

• Red Hat Satellite 6.19 x86_64
• Red Hat Satellite Capsule 6.19 x86_64
• Red Hat Enterprise Linux for x86_64 9 x86_64

Fixes

• SAT-46096 - Manage Repository Sets - "Override to Enable or Disable" dropdown remains open after clicking elsewhere on the page.
• SAT-46097 - Red Hat container registry authentication not working as expected
• SAT-46098 - orphan cleanup triggers CapsuleContent::UpdateContentCounts regardless of automatic_content_count_updates setting
• SAT-46101 - Issue when creating filter in content view using openssl package
• SAT-46102 - Incremental update to a content view with a package or errata do not add any content
• SAT-46103 - Custom repository sync does not work without the upstream password
• SAT-46106 - Eliminate redundant Candlepin GETs during host registration
• SAT-46107 - Incremental update fails with undefined method version_href' for nil:NilClass, when multiple content views are assigned
• SAT-45957 - Satellite UI Displays Wrong Number of Hosts When Filter By Report Origin (Puppet , Ansible)

CVEs

• CVE-2026-5135
• CVE-2026-5136
• CVE-2026-5138
• CVE-2026-5142
• CVE-2026-25679
• CVE-2026-27727
• CVE-2026-32280
• CVE-2026-32281
• CVE-2026-32282
• CVE-2026-32283
• CVE-2026-33810
• CVE-2026-40192
• CVE-2026-48526

References

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