The libpq package provides the PostgreSQL client library, which allows client programs to connect to PostgreSQL servers.
Security Fix(es):
* postgresql: PostgreSQL libpq: Buffer overflow allows server superuser to overwrite client stack memory (CVE-2026-6477)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
Multiple security vulnerabilities affecting Ruby 4.0 have been addressed in a Red Hat security update for Red Hat Enterprise Linux 9. These include memory corruption via buffer overflow in Zlib::GzipReader, arbitrary IMAP command injection through unvalidated input, denial of service via large iteration counts and malformed commands in Net::IMAP, and command injection via non-synchronizing literals. The update rebases Ruby 4.0 to the latest release and includes important security fixes rated as high severity by Red Hat.
Red Hat build of Keycloak is an integrated sign-on solution,
available as a Red Hat JBoss Middleware for OpenShift containerized
image. The Red Hat build of Keycloak for OpenShift image provides
an authentication server that you can use to log in centrally, log
out, and register. You can also manage user accounts for web
applications, mobile applications, and RESTful web services.
Red Hat build of Keycloak Operator for OpenShift simplifies
deployment and management of Keycloak 26.6.5 clusters.
This erratum releases new images for Red Hat build of Keycloak
26.6.5 for use within the OpenShift Container Platform cloud
computing Platform-as-a-Service (PaaS) for on-premise or private
cloud deployments, aligning with the standalone product release.
Security fixes:
* Authorization Bypass vulnerability in the admin-ui-ext bulk role-mapping-delete endpoints of Keycloak (CVE-2026-11986)
* Admin UI extension brute-force-user endpoint bypasses FGAPv2 user view restrictions (CVE-2026-14209)
* FGAP v2 client scope assignment bypass via ClientResource (CVE-2026-14614)
* FGAP v2 parent group children endpoint bypasses per-child view permission filter (CVE-2026-14615)
* DCR protocol mapper type-swap policy bypass allows privilege escalation (CVE-2026-15572)
* Authorization bypass via unnormalized URI matching in PathMatcher (CVE-2026-15573)
* LDAP entry-DN user search bypasses configured users DN boundary (CVE-2026-16071)
* Unbounded metric cardinality in user event metrics via request-controlled error text (CVE-2026-16100)
* Default DCR policy allows role forgery via User Property mappers (CVE-2026-16102)
* Quarkus REST - Unbounded multipart MIME part-header accumulation allows remote OOM denial of service (CVE-2026-16308)
* SAML IdP-initiated broker login bypasses link-only restriction (CVE-2026-16442)
* SAML broker metadata import disables response signature validation (CVE-2026-16443)
* Denial of Service via specially crafted gRPC requests (CVE-2026-40983)
* Denial of Service via specially crafted HTTP requests (CVE-2026-40984)
* Arbitrary code execution via PolymorphicTypeValidator bypass (CVE-2026-54512)
* Security bypass allows arbitrary code execution (CVE-2026-54513)
* HTTP Parameter Pollution in OIDC redirect URI allows response parameter duplication - #GHI-604 (CVE-2026-9689)
* Security policy bypass in JWE-encrypted request object processing (CVE-2026-9793)
* Brute-force protection bypass in CIBA flow (CVE-2026-9798)
Red Hat build of Keycloak is an integrated sign-on solution,
available as a Red Hat JBoss Middleware for OpenShift containerized
image. The Red Hat build of Keycloak for OpenShift image provides
an authentication server that you can use to log in centrally, log
out, and register. You can also manage user accounts for web
applications, mobile applications, and RESTful web services.
Red Hat build of Keycloak Operator for OpenShift simplifies
deployment and management of Keycloak 26.4.14 clusters.
This erratum releases new images for Red Hat build of Keycloak
26.4.14 for use within the OpenShift Container Platform cloud
computing Platform-as-a-Service (PaaS) for on-premise or private
cloud deployments, aligning with the standalone product release.
Security fixes:
* Admin UI extension brute-force-user endpoint bypasses FGAPv2 user view restrictions (CVE-2026-14209)
* FGAP v2 client scope assignment bypass via ClientResource (CVE-2026-14614)
* FGAP v2 parent group children endpoint bypasses per-child view permission filter (CVE-2026-14615)
* DCR protocol mapper type-swap policy bypass allows privilege escalation (CVE-2026-15572)
* Authorization bypass via unnormalized URI matching in PathMatcher (CVE-2026-15573)
* LDAP entry-DN user search bypasses configured users DN boundary (CVE-2026-16071)
* Default DCR policy allows role forgery via User Property mappers (CVE-2026-16102)
* Quarkus REST - Unbounded multipart MIME part-header accumulation allows remote OOM denial of service (CVE-2026-16308)
* SAML IdP-initiated broker login bypasses link-only restriction (CVE-2026-16442)
* SAML broker metadata import disables response signature validation (CVE-2026-16443)
* Privilege escalation through hardcoded role mapper injection (CVE-2026-4629)
* Arbitrary code execution via PolymorphicTypeValidator bypass (CVE-2026-54512)
* Security bypass allows arbitrary code execution (CVE-2026-54513)
* HTTP Parameter Pollution in OIDC redirect URI allows response parameter duplication - #GHI-604 (CVE-2026-9689)
* Security policy bypass in JWE-encrypted request object processing (CVE-2026-9793)
* Brute-force protection bypass in CIBA flow (CVE-2026-9798)
* Authorization bypass via incorrect URI comparison (CVE-2026-9800)
* Brute-force protection bypass in CIBA flow (CVE-2026-9798)
Python is an interpreted, interactive, object-oriented programming language, which includes modules, classes, exceptions, very high level dynamic data types and dynamic typing. Python supports interfaces to many system calls and libraries, as well as to various windowing systems.
Security Fix(es):
* python: Python: CPU Denial of Service in HTML parser via repeated unterminated markup declarations (CVE-2026-15308)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
A high severity arbitrary code execution vulnerability (CVE-2026-6637) exists in the 'refint' module of PostgreSQL as used in Red Hat Enterprise Linux. This vulnerability allows an attacker to execute arbitrary code. Red Hat has released security updates to address this issue in multiple PostgreSQL versions across their supported platforms.
Red Hat JBoss Web Server is a fully integrated and certified set of components for hosting Java web applications. It is comprised of the Apache Tomcat Servlet container, JBoss HTTP Connector (mod_cluster), the PicketLink Vault extension for Apache Tomcat, and the Tomcat Native library.
This release of Red Hat JBoss Web Server 7.0.1 serves as a replacement for Red Hat JBoss Web Server 7.0.0. This release includes bug fixes, enhancements and component upgrades, which are documented in the Release Notes that are linked to in the References section.
Security Fix(es):
* tomcat-catalina: Apache Tomcat: Misleading security logs due to incorrect control flow (CVE-2026-55276)
* tomcat-coyote-ffm: Apache Tomcat: Error condition not handled when configuring CRLs (CVE-2026-53434)
* tomcat-catalina: Apache Tomcat: Incorrect control flow in rewrite valve allows unexpected rule processing (CVE-2026-53404)
* tomcat: Apache Tomcat: Incorrect URL decoding in RewriteValve may allow security control bypass (CVE-2026-59083)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
A heap out-of-bounds write vulnerability exists in FreeRDP's RemoteFX decoding component, which could allow remote code execution. This issue affects multiple specific versions of FreeRDP distributed by Red Hat and Ubuntu. Red Hat has issued a security advisory with an important severity rating and released updated packages to address this vulnerability. The flaw is identified as CVE-2026-55827 and is related to CWE-787 (out-of-bounds write).
Red Hat Ansible Automation Platform provides an enterprise framework for building, deploying and managing IT automation at scale. IT Managers can provide top-down guidelines on how automation is applied to individual teams, while automation developers retain the freedom to write tasks that leverage existing knowledge without the overhead. Ansible Automation Platform makes it possible for users across an organization to share, vet, and manage automation content by means of a simple, powerful, and agentless language.
Security Fix(es):
* automation-controller: PyJWT: Authentication bypass due to forged JSON Web Tokens (CVE-2026-48526)
* automation-eda-controller: ExternalEventStreamViewSet trusts Subject header without validation and leaks expected DN (CVE-2026-12383)
* automation-eda-controller: Authentication bypass in Event-Driven Ansible via forged HTTP header (CVE-2026-18141)
* automation-gateway-proxy: Go net package: Denial of Service via long CNAME response in LookupCNAME (CVE-2026-33811)
* python3.12-aiohttp: Arbitrary code execution via untrusted input to CookieJar.load() (CVE-2026-34993)
* python3.12-daphne: daphne: Denial of Service via excessive WebSocket message size (CVE-2026-44545)
* python3.12-pillow: Denial of Service via crafted GD 2.x image file (CVE-2026-55380)
* python3.12-pillow: Denial of Service via crafted BDF font file (CVE-2026-55379)
* python3.12-pillow: Denial of Service via excessive memory allocation when processing font files (CVE-2026-54060)
* python3.12-pillow: Denial of Service via crafted PCF font data (CVE-2026-54059)
* python3.12-pillow: Native heap out-of-bounds write (CVE-2026-59197)
* python3.12-pyasn1: Denial of Service via crafted ASN.1 REAL values (CVE-2026-59886)
* python3.12-pyasn1: Denial of Service via crafted ASN.1 OBJECT IDENTIFIER (CVE-2026-59885)
* receptor: quic-go: Denial of Service via excessive memory allocation in HTTP/3 trailers (CVE-2026-40898)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.
For details about this release, refer to the release notes listed in the References section.
Migration Toolkit for Applications (MTA) accelerates large-scale application modernization efforts across hybrid cloud environments on Red Hat OpenShift.
This solution provides insight throughout the adoption process, at both the portfolio and application levels: inventory, assess, analyze, and manage
applications for faster migration to OpenShift via the user interface.
This update includes the following RPMs:
prometheus3.13:
* prometheus3.13-3.13.2-0.2.hum1 (aarch64, x86_64)
* prometheus3.13-3.13.2-0.2.hum1.src (src)
Security Fix(es):
prometheus3.13:
* CVE-2026-69153
The System Security Services Daemon (SSSD) service provides a set of daemons to manage access to remote directories and authentication mechanisms. It also provides the Name Service Switch (NSS) and the Pluggable Authentication Modules (PAM) interfaces toward the system, and a pluggable back-end system to connect to multiple different account sources.
Security Fix(es):
* sssd: sssd: sudo LDAP provider searches entire directory tree for sudoRole objects by default, enabling privilege escalation (CVE-2026-14474)
* sssd: sssd: GPO cache path traversal via unsanitized gPCFileSysPath allows Kerberos authentication bypass (CVE-2026-14476)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.