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Red Hat has issued a batch of security advisories addressing vulnerabilities across Red Hat Enterprise Linux versions 7 through 10. The patches target widely used components including Firefox, the Linux kernel, Python 3.9, MariaDB 10.11, and ldns. Administrators should review the Common Vulnerability Scoring System ratings attached to each advisory before deploying the fixes to extended support channels or standard RHEL installations.

RHSA-2026:54168: Important: rhc-worker-playbook security update
RHSA-2026:54142: Important: mariadb:10.11 security update
RHSA-2026:54254: Important: ldns security update
RHSA-2026:54246: Moderate: kernel security update
RHSA-2026:54244: Important: ldns security update
RHSA-2026:54247: Moderate: kernel-rt security update
RHSA-2026:54191: Important: rhc-worker-script security update
RHSA-2026:54182: Important: firefox security update
RHSA-2026:54181: Important: firefox security update
RHSA-2026:54178: Moderate: grafana security, bug fix, and enhancement update
RHSA-2026:54185: Important: firefox security update
RHSA-2026:54180: Important: firefox security update
RHSA-2026:54343: Important: kernel security, bug fix, and enhancement update
RHSA-2026:47117: Moderate: libgcrypt security update
RHSA-2026:47126: Moderate: resource-agents security update
RHSA-2026:47129: Moderate: resource-agents security update
RHSA-2026:54339: Important: firefox security update
RHSA-2026:54268: Important: python3.9 security update
RHSA-2026:54272: Important: abrt security update
RHSA-2026:54290: Moderate: python-idna security update
RHSA-2026:54248: Important: firefox security update
RHSA-2026:54249: Important: firefox security update
RHSA-2026:54259: Important: firefox security update
RHSA-2026:54210: Moderate: dhcpcd security update
RHSA-2026:54435: Important: Streams for Apache Kafka 3.2.1 release and security update
RHSA-2026:54417: Important: python-pillow security update
RHSA-2026:54443: Important: kernel security, bug fix, and enhancement update
RHSA-2026:54401: Important: rhc security update
RHSA-2026:54377: Important: ldns security update




RHSA-2026:54168: Important: rhc-worker-playbook security update


An update for rhc-worker-playbook 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-2026:54168: Important: rhc-worker-playbook security update



RHSA-2026:54142: Important: mariadb:10.11 security update


An update for the mariadb:10.11 module 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-2026:54142: Important: mariadb:10.11 security update



RHSA-2026:54254: Important: ldns security update


An update for ldns 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-2026:54254: Important: ldns security update



RHSA-2026:54246: Moderate: kernel security 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 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-2026:54246: Moderate: kernel security update



RHSA-2026:54244: Important: ldns security update


An update for ldns 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-2026:54244: Important: ldns security update



RHSA-2026:54247: Moderate: kernel-rt security update


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

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-2026:54247: Moderate: kernel-rt security update



RHSA-2026:54191: Important: rhc-worker-script security update


An update for rhc-worker-script is now available for Red Hat Enterprise Linux 7 Extended Lifecycle 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-2026:54191: Important: rhc-worker-script security update



RHSA-2026:54182: Important: firefox security update


An update for firefox 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-2026:54182: Important: firefox security update



RHSA-2026:54181: Important: firefox security update


An update for firefox 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-2026:54181: Important: firefox security update



RHSA-2026:54178: Moderate: grafana security, bug fix, and enhancement update


An update for grafana 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-2026:54178: Moderate: grafana security, bug fix, and enhancement update



RHSA-2026:54185: Important: firefox security update


An update for firefox 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-2026:54185: Important: firefox security update



RHSA-2026:54180: Important: firefox security update


An update for firefox 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-2026:54180: Important: firefox security update



RHSA-2026:54343: 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-2026:54343: Important: kernel security, bug fix, and enhancement update



RHSA-2026:47117: Moderate: libgcrypt security update


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

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-2026:47117: Moderate: libgcrypt security update



RHSA-2026:47126: Moderate: resource-agents security update


An update for resource-agents is now available for Red Hat Enterprise Linux 8.

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-2026:47126: Moderate: resource-agents security update



RHSA-2026:47129: Moderate: resource-agents security update


An update for resource-agents 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 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-2026:47129: Moderate: resource-agents security update



RHSA-2026:54339: Important: firefox security update


An update for firefox 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-2026:54339: Important: firefox security update



RHSA-2026:54268: Important: python3.9 security update


An update for python3.9 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-2026:54268: Important: python3.9 security update



RHSA-2026:54272: Important: abrt security update


An update for abrt 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-2026:54272: Important: abrt security update



RHSA-2026:54290: Moderate: python-idna security update


An update for python-idna is now available for Red Hat Enterprise Linux 8.

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-2026:54290: Moderate: python-idna security update



RHSA-2026:54248: Important: firefox security update


An update for firefox is now available for Red Hat Enterprise Linux 7 Extended Lifecycle 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-2026:54248: Important: firefox security update



RHSA-2026:54249: Important: firefox security update


An update for firefox 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-2026:54249: Important: firefox security update



RHSA-2026:54259: Important: firefox security update


An update for firefox 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-2026:54259: Important: firefox security update



RHSA-2026:54210: Moderate: dhcpcd security update


An update for dhcpcd 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-2026:54210: Moderate: dhcpcd security update



RHSA-2026:54435: Important: Streams for Apache Kafka 3.2.1 release and security update


Streams for Apache Kafka 3.2.1 is now available from the Red Hat Customer Portal.

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-2026:54435: Important: Streams for Apache Kafka 3.2.1 release and security update



RHSA-2026:54417: Important: python-pillow security update


An update for python-pillow 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-2026:54417: Important: python-pillow security update



RHSA-2026:54443: Important: kernel security, bug fix, and enhancement update


An update for kernel 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-2026:54443: Important: kernel security, bug fix, and enhancement update



RHSA-2026:54401: Important: rhc security update


An update for rhc 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-2026:54401: Important: rhc security update



RHSA-2026:54377: Important: ldns security update


An update for ldns 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-2026:54377: Important: ldns security update