Red Hat Product Security issued a large batch of updates for Red Hat Enterprise Linux 8, 9, and 10, targeting widely used packages like the Linux kernel, Ruby, MariaDB, Redis, PostgreSQL, GIFLIB, Thunderbird, and PHP. Most advisories carry an Important severity rating, with kernel patches for NVIDIA systems receiving Critical ratings and several other components earning Moderate or Low classifications. These errata resolve multiple common vulnerability exposures, fix reported bugs, and deliver routine performance improvements for enterprise workloads. Infrastructure teams should review the individual RHSA and Fedora notices and apply the corresponding patches to maintain system hardening and stability.

RHSA-2026:33412: Important: galera and mariadb11.8 security, bug fix, and enhancement update
RHSA-2026:33427: Important: redis:6 security update
RHSA-2026:33464: Important: mariadb:10.11 security, bug fix, and enhancement update
RHSA-2026:29833: Important: OpenShift Container Platform 4.21.22 bug fix and security update
RHSA-2026:33462: Important: ruby security update
RHSA-2026:33456: Important: giflib security update
RHSA-2026:33452: Important: giflib security update
RHSA-2026:33453: Important: vim security update
RHSA-2026:33445: Important: thunderbird security update
RHSA-2026:33455: Important: giflib security update
RHSA-2026:33444: Important: redis:7 security update
RHSA-2026:33441: Important: postgresql:15 security update
RHSA-2026:33416: Important: evince security update
RHSA-2026:33478: Important: ruby security update
RHSA-2026:33482: Important: mariadb:10.11 security, bug fix, and enhancement update
RHSA-2026:33503: Important: giflib security update
RHSA-2026:33509: Important: giflib security update
RHSA-2026:33497: Important: postgresql:15 security update
RHSA-2026:33481: Important: mariadb:11.8 security, bug fix, and enhancement update
RHSA-2026:33633: Low: libxml2 security update
RHSA-2026:33635: Low: libxml2 security update
RHSA-2026:33515: Important: ruby:3.3 security update
RHSA-2026:33565: Important: ruby security update
RHSA-2026:33512: Important: ruby security update
RHSA-2026:29794: Important: OpenShift Container Platform 4.22.3 bug fix and security update
RHSA-2026:33514: Important: ruby:2.5 security update
RHSA-2026:33540: Important: ruby4.0 security update
RHSA-2026:33519: Moderate: opencryptoki security update
RHSA-2026:29799: Important: OpenShift Container Platform 4.20.27 bug fix and security update
RHSA-2026:33486: Critical: kernel security, bug fix, and enhancement update
RHSA-2026:33449: Important: php security update
RHSA-2026:33451: Important: giflib security update
RHSA-2026:33450: Important: giflib security update
RHSA-2026:33447: Important: giflib security update
RHSA-2026:33632: Low: libxml2 security update
RHSA-2026:33634: Low: libxml2 security update
RHSA-2026:33899: Important: kernel security, bug fix, and enhancement update
RHSA-2026:33900: Important: kernel-rt security, bug fix, and enhancement update
RHSA-2026:33502: Important: giflib security update
RHSA-2026:33743: Important: kernel security, bug fix, and enhancement update
RHSA-2026:33731: Moderate: rrdtool security update
RHSA-2026:33722: Important: container-tools:rhel8 security, bug fix, and enhancement update
RHSA-2026:33685: Important: kernel security, bug fix, and enhancement update
RHSA-2026:33577: Important: ruby:4.0 security update
RHSA-2026:33666: Important: kernel security, bug fix, and enhancement update
RHSA-2026:33576: Important: ruby:3.3 security update
RHSA-2026:33630: Important: ruby security update

RHSA-2026:33412: Important: galera and mariadb11.8 security, bug fix, and enhancement update

An update for multiple packages is now available for Red Hat Enterprise Linux 10.

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.

RHSA-2026:33412: Important: galera and mariadb11.8 security, bug fix, and enhancement update

RHSA-2026:33427: Important: redis:6 security update

An update for the redis:6 module is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service.

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.

RHSA-2026:33427: Important: redis:6 security update

RHSA-2026:33464: Important: mariadb:10.11 security, bug fix, and enhancement update

An update for the mariadb:10.11 module is now available for Red Hat Enterprise Linux 8.

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.

RHSA-2026:33464: Important: mariadb:10.11 security, bug fix, and enhancement update

RHSA-2026:29833: Important: OpenShift Container Platform 4.21.22 bug fix and security update

Red Hat OpenShift Container Platform release 4.21.22 is now available with updates to packages and images that fix several bugs and add enhancements.

This release includes a security update for Red Hat OpenShift Container Platform 4.21.

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.

RHSA-2026:29833: Important: OpenShift Container Platform 4.21.22 bug fix and security update

RHSA-2026:33462: Important: ruby security update

An update for ruby is now available for Red Hat Enterprise Linux 9.6 Extended Update Support.

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.

RHSA-2026:33462: Important: ruby security update

RHSA-2026:33456: Important: giflib security update

An update for giflib is now available for Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions and Red Hat Enterprise Linux 8.8 Telecommunications Update Service.

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.

RHSA-2026:33456: Important: giflib security update

RHSA-2026:33452: Important: giflib security update

An update for giflib is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions.

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.

RHSA-2026:33452: Important: giflib security update

RHSA-2026:33453: Important: vim security update

An update for vim is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On.

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.

RHSA-2026:33453: Important: vim security update

RHSA-2026:33445: Important: thunderbird security update

An update for thunderbird is now available for Red Hat Enterprise Linux 8.

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.

RHSA-2026:33445: Important: thunderbird security update

RHSA-2026:33455: Important: giflib security update

An update for giflib is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On.

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.

RHSA-2026:33455: Important: giflib security update

RHSA-2026:33444: Important: redis:7 security update

An update for the redis:7 module is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions.

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.

RHSA-2026:33444: Important: redis:7 security update

RHSA-2026:33441: Important: postgresql:15 security update

An update for the postgresql:15 module is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions.

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.

RHSA-2026:33441: Important: postgresql:15 security update

RHSA-2026:33416: Important: evince security update

An update for evince is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions.

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.

RHSA-2026:33416: Important: evince security update

RHSA-2026:33478: Important: ruby security update

An update for ruby is now available for Red Hat Enterprise Linux 10.0 Extended Update Support.

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.

RHSA-2026:33478: Important: ruby security update

RHSA-2026:33482: Important: mariadb:10.11 security, bug fix, and enhancement update

An update for the mariadb:10.11 module is now available for Red Hat Enterprise Linux 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.

RHSA-2026:33482: Important: mariadb:10.11 security, bug fix, and enhancement update

RHSA-2026:33503: Important: giflib security update

An update for giflib is now available for Red Hat Enterprise Linux 8.

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.

RHSA-2026:33503: Important: giflib security update

RHSA-2026:33509: Important: giflib security update

An update for giflib is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions.

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.

RHSA-2026:33509: Important: giflib security update

RHSA-2026:33497: Important: postgresql:15 security update

An update for the postgresql:15 module is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions.

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.

RHSA-2026:33497: Important: postgresql:15 security update

RHSA-2026:33481: Important: mariadb:11.8 security, bug fix, and enhancement update

An update for the mariadb:11.8 module is now available for Red Hat Enterprise Linux 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.

RHSA-2026:33481: Important: mariadb:11.8 security, bug fix, and enhancement update

RHSA-2026:33633: Low: libxml2 security update

An update for libxml2 is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions.

Red Hat Product Security has rated this update as having a security impact of Low. 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.

RHSA-2026:33633: Low: libxml2 security update

RHSA-2026:33635: Low: libxml2 security update

An update for libxml2 is now available for Red Hat Enterprise Linux 10.0 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of Low. 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.

RHSA-2026:33635: Low: libxml2 security update

RHSA-2026:33515: Important: ruby:3.3 security update

An update for the ruby:3.3 module is now available for Red Hat Enterprise Linux 8.

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.

RHSA-2026:33515: Important: ruby:3.3 security update

RHSA-2026:33565: Important: ruby security update

An update for ruby is now available for Red Hat Enterprise Linux 10.

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.

RHSA-2026:33565: Important: ruby security update

RHSA-2026:33512: Important: ruby security update

An update for ruby is now available for Red Hat Enterprise Linux 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.

RHSA-2026:33512: Important: ruby security update

RHSA-2026:29794: Important: OpenShift Container Platform 4.22.3 bug fix and security update

Red Hat OpenShift Container Platform release 4.22.3 is now available with
updates to packages and images that fix several bugs and add enhancements.

This release includes a security update for Red Hat OpenShift Container
Platform 4.22.

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.

RHSA-2026:29794: Important: OpenShift Container Platform 4.22.3 bug fix and security update

RHSA-2026:33514: Important: ruby:2.5 security update

An update for the ruby:2.5 module is now available for Red Hat Enterprise Linux 8.

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.

RHSA-2026:33514: Important: ruby:2.5 security update

RHSA-2026:33540: Important: ruby4.0 security update

An update for ruby4.0 is now available for Red Hat Enterprise Linux 10.

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.

RHSA-2026:33540: Important: ruby4.0 security update

RHSA-2026:33519: Moderate: opencryptoki security update

An update for opencryptoki is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions.

Red Hat Product Security has rated this update as having a security impact of Moderate. 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.

RHSA-2026:33519: Moderate: opencryptoki security update

RHSA-2026:29799: Important: OpenShift Container Platform 4.20.27 bug fix and security update

Red Hat OpenShift Container Platform release 4.20.27 is now available with updates to packages and images that fix several bugs and add enhancements.

This release includes a security update for Red Hat OpenShift Container Platform 4.20.

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.

RHSA-2026:29799: Important: OpenShift Container Platform 4.20.27 bug fix and security update

RHSA-2026:33486: Critical: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux for NVIDIA.

Red Hat Product Security has rated this update as having a security impact of Critical. 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.

RHSA-2026:33486: Critical: kernel security, bug fix, and enhancement update

RHSA-2026:33449: Important: php security update

An update for php is now available for Red Hat Enterprise Linux 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.

RHSA-2026:33449: Important: php security update

RHSA-2026:33451: Important: giflib security update

An update for giflib is now available for Red Hat Enterprise Linux 9.6 Extended Update Support.

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.

RHSA-2026:33451: Important: giflib security update

RHSA-2026:33450: Important: giflib security update

An update for giflib is now available for Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On.

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.

RHSA-2026:33450: Important: giflib security update

RHSA-2026:33447: Important: giflib security update

An update for giflib is now available for Red Hat Enterprise Linux 10.0 Extended Update Support.

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.

RHSA-2026:33447: Important: giflib security update

RHSA-2026:33632: Low: libxml2 security update

An update for libxml2 is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions.

Red Hat Product Security has rated this update as having a security impact of Low. 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.

RHSA-2026:33632: Low: libxml2 security update

RHSA-2026:33634: Low: libxml2 security update

An update for libxml2 is now available for Red Hat Enterprise Linux 9.6 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of Low. 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.

RHSA-2026:33634: Low: libxml2 security update

RHSA-2026:33899: Important: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support and Red Hat Enterprise Linux 8.6 Extended Update Support Long-Life Add-On.

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.

RHSA-2026:33899: Important: kernel security, bug fix, and enhancement update

RHSA-2026:33900: Important: kernel-rt security, bug fix, and enhancement update

An update for kernel-rt is now available for Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions.

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.

RHSA-2026:33900: Important: kernel-rt security, bug fix, and enhancement update

RHSA-2026:33502: Important: giflib security update

An update for giflib is now available for Red Hat Enterprise Linux 10.

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.

RHSA-2026:33502: Important: giflib security update

RHSA-2026:33743: Important: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 8.

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.

RHSA-2026:33743: Important: kernel security, bug fix, and enhancement update

RHSA-2026:33731: Moderate: rrdtool security update

An update for rrdtool is now available for Red Hat Enterprise Linux 10.

Red Hat Product Security has rated this update as having a security impact of Moderate. 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.

RHSA-2026:33731: Moderate: rrdtool security update

RHSA-2026:33722: Important: container-tools:rhel8 security, bug fix, and enhancement update

An update for the container-tools:rhel8 module is now available for Red Hat Enterprise Linux 8.

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.

RHSA-2026:33722: Important: container-tools:rhel8 security, bug fix, and enhancement update

RHSA-2026:33685: Important: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux 10.

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.

RHSA-2026:33685: Important: kernel security, bug fix, and enhancement update

RHSA-2026:33577: Important: ruby:4.0 security update

An update for the ruby:4.0 module is now available for Red Hat Enterprise Linux 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.

RHSA-2026:33577: Important: ruby:4.0 security update

RHSA-2026:33666: Important: kernel security, bug fix, and enhancement update

An update for kernel is now available for Red Hat Enterprise Linux for NVIDIA.

Red Hat Product Security has rated this update as having a security impact of Critical. 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.

RHSA-2026:33666: Important: kernel security, bug fix, and enhancement update

RHSA-2026:33576: Important: ruby:3.3 security update

An update for the ruby:3.3 module is now available for Red Hat Enterprise Linux 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.

RHSA-2026:33576: Important: ruby:3.3 security update

RHSA-2026:33630: Important: ruby security update

An update for ruby is now available for Red Hat Enterprise Linux 9.4 Update Services for SAP Solutions.

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.

RHSA-2026:33630: Important: ruby security update