RHSA-2026:63327 - 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):

• satellite:el8/puppetserver: jackson-databind: Arbitrary code execution via PolymorphicTypeValidator bypass [rhn_satellite_6.16] (CVE-2026-54512)
• puppetserver: jackson-databind: Arbitrary code execution via PolymorphicTypeValidator bypass [rhn_satellite_6.16] (CVE-2026-54512)
• rubygem-jwt: ruby-jwt: Authentication bypass due to empty key in HMAC verification [rhn_satellite_6.16] (CVE-2026-45363)
• satellite-capsule:el8/rubygem-jwt: ruby-jwt: Authentication bypass due to empty key in HMAC verification [rhn_satellite_6.16] (CVE-2026-45363)
• python-aiohttp: AIOHTTP: Denial of Service via malformed HTTP responses [rhn_satellite_6.16] (CVE-2026-69244)
• python-aiohttp: AIOHTTP: HTTP Request Smuggling via WebSocket Upgrade [rhn_satellite_6.16] (CVE-2026-69243)
• python-aiohttp: AIOHTTP: Arbitrary code execution via untrusted input to CookieJar.load() [rhn_satellite_6.16] (CVE-2026-34993)
• satellite:el8/python-aiohttp: AIOHTTP: Arbitrary code execution via untrusted input to CookieJar.load() [rhn_satellite_6.16] (CVE-2026-34993)
• satellite-capsule:el8/python-aiohttp: AIOHTTP: HTTP Request Smuggling via WebSocket Upgrade [rhn_satellite_6.16] (CVE-2026-69243)
• satellite-capsule:el8/python-aiohttp: AIOHTTP: Denial of Service via malformed HTTP responses [rhn_satellite_6.16] (CVE-2026-69244)
• el8/openvox-server: Eclipse Jetty: Information disclosure due to retained HTTP/1.1 trailers across connections [rhn_satellite_6.16] (CVE-2026-10051)
• openvox-server: jackson-core: Denial of Service via incomplete fix in async JSON parser [rhn_satellite_6.16] (CVE-2026-68494)
• el9/openvox-server: Eclipse Jetty: Information disclosure due to retained HTTP/1.1 trailers across connections [rhn_satellite_6.16] (CVE-2026-10051)
• el8/openvox-server: jackson-core: Denial of Service via incomplete fix in async JSON parser [rhn_satellite_6.16] (CVE-2026-68494)

Bug Fix(es):

• Issue when creating filter in content view using openssl package [satellite_6.16]

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 - 2484099 - CVE-2026-34993 aiohttp: AIOHTTP: Arbitrary code execution via untrusted input to CookieJar.load()
• 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 - 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-48474 - Issue when creating filter in content view using openssl package [satellite_6.16]

CVEs

• CVE-2026-10051
• 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