RHSA-2026:63386 - 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):

• python3.12-aiohttp: AIOHTTP: HTTP Request Smuggling via WebSocket Upgrade (CVE-2026-69243)
• python3.12-aiohttp: AIOHTTP: Denial of Service via malformed HTTP responses (CVE-2026-69244)
• openvox-server: Eclipse Jetty: Information disclosure due to retained HTTP/1.1 trailers across connections (CVE-2026-10051)
• openvox-server: jackson-core: Denial of Service via incomplete fix in async JSON parser (CVE-2026-68494)
• python3.12-aiohttp: AIOHTTP: Arbitrary code execution via untrusted input to CookieJar.load() (CVE-2026-34993)
• ansible-core: argument injection in ansible-galaxy role install leads to arbitrary code execution (CVE-2026-11332)
• puppetserver: jackson-databind: Arbitrary code execution via PolymorphicTypeValidator bypass (CVE-2026-54512)
• ansible-core: argument injection in ansible-galaxy collection install via git clone (incomplete fix for CVE-2026-11332) (CVE-2026-16493)
• rubygem-jwt: ruby-jwt: Authentication bypass due to empty key in HMAC verification (CVE-2026-45363)

Bug Fix(es):

• Satellite 6.17 upgrade, foreman-installer reports errors in /var/log/dnf.rpm.log Selected scenario is DISABLED, can not continue (SAT-48693)
• Non-default umask breaks IoP assets directory permissions (SAT-48690)
• Unable to upgrade to Red Hat Satellite 6.17 as rubygem-foreman_maintain is not getting updated after running satellite-maintain self-upgrade (SAT-48692)
• Remove Orphan fails with package_signing_fingerprint cannot be nil error after upgrade to Red Hat satellite 6.18.2 (SAT-48691)
• Issue when creating filter in content view using openssl package (SAT-48697)
• Unable to save bookmark report under Hosts → All Hosts → Compliance → Reports (SAT-49372)
• Sync memory consumption too high in pathological cases (SAT-46099)

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 - 2484099 - CVE-2026-34993 aiohttp: AIOHTTP: Arbitrary code execution via untrusted input to CookieJar.load()
• BZ - 2485379 - CVE-2026-11332 ansible-core: argument injection in ansible-galaxy role install leads to arbitrary code execution
• BZ - 2492015 - CVE-2026-54512 jackson-databind: jackson-databind: Arbitrary code execution via PolymorphicTypeValidator bypass
• BZ - 2499928 - CVE-2026-10051 jetty: Eclipse Jetty: Information disclosure due to retained HTTP/1.1 trailers across connections
• BZ - 2500739 - CVE-2026-45363 ruby-jwt: ruby-jwt: Authentication bypass due to empty key in HMAC verification
• BZ - 2503724 - CVE-2026-16493 ansible-core: argument injection in ansible-galaxy collection install via git clone (incomplete fix for CVE-2026-11332)
• BZ - 2510825 - CVE-2026-69244 aiohttp: AIOHTTP: Denial of Service via malformed HTTP responses
• BZ - 2510831 - CVE-2026-69243 aiohttp: AIOHTTP: HTTP Request Smuggling via WebSocket Upgrade
• BZ - 2511026 - CVE-2026-68494 com.fasterxml.jackson.core/jackson-core: tools.jackson.core/jackson-core: jackson-core: Denial of Service via incomplete fix in async JSON parser
• SAT-46099 - Sync memory consumption too high in pathological cases
• SAT-48690 - Non-default umask breaks IoP assets directory permissions [satellite_6.18]
• SAT-48691 - Remove Orphan fails with package_signing_fingerprint cannot be nil error after upgrade to Red Hat satellite 6.18.2 [satellite_6.18]
• SAT-48692 - Unable to upgrade to Red Hat Satellite 6.17 as rubygem-foreman_maintain is not getting updated after running satellite-maintain self-upgrade [satellite_6.18]
• SAT-48693 - Satellite 6.17 upgrade, foreman-installer reports errors in /var/log/dnf.rpm.log Selected scenario is DISABLED, can not continue [satellite_6.18]
• SAT-48697 - Issue when creating filter in content view using openssl package [satellite_6.18]
• SAT-49372 - Unable to save bookmark report under Hosts ? All Hosts ? Compliance ? Reports [satellite_6.18]

CVEs

• CVE-2026-10051
• CVE-2026-11332
• CVE-2026-16493
• CVE-2026-34993
• CVE-2026-45363
• CVE-2026-54512
• CVE-2026-68494
• CVE-2026-69243
• CVE-2026-69244

References

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