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Red Hat Product Security has issued numerous updates targeting OpenShift Container Platform versions alongside common applications like Thunderbird and Grafana. While most advisories are rated Important, a few specific updates like the Nginx module carry only Moderate severity ratings. Beyond the security fixes, the release notes indicate that several packages will receive bug corrections and general enhancements to improve stability.

RHSA-2026:5877: Moderate: OpenShift Container Platform 4.19.27 bug fix and security update
RHSA-2026:6342: Important: thunderbird security update
RHSA-2026:5866: Important: OpenShift Container Platform 4.17.52 packages and security update
RHSA-2026:5867: Moderate: OpenShift Container Platform 4.17.52 bug fix and security update
RHSA-2026:6344: Important: grafana security update
RHSA-2026:5876: Moderate: OpenShift Container Platform 4.19.27 packages and security update
RHSA-2026:6341: Important: Red Hat build of Cryostat security update
RHSA-2026:6340: Important: freerdp security update
RHSA-2026:6278: Important: Red Hat Ansible Automation Platform 2.5 Product Security and Bug Fix Update
RHSA-2026:6384: Important: freerdp security update
RHSA-2026:6388: Important: grafana-pcp security update
RHSA-2026:6395: Important: freerdp security update
RHSA-2026:6385: Important: freerdp security update
RHSA-2026:6407: Moderate: nginx:1.24 security update
RHSA-2026:6408: Moderate: nginx security update
RHSA-2026:6396: Important: freerdp security update
RHSA-2026:6391: Moderate: mysql:8.4 security update
RHSA-2026:6390: Moderate: rsync security update
RHSA-2026:6383: Important: grafana-pcp security update
RHSA-2026:6382: Important: grafana security update
RHSA-2026:6311: Moderate: nginx security update
RHSA-2026:6302: Moderate: nginx:1.24 security update




RHSA-2026:5877: Moderate: OpenShift Container Platform 4.19.27 bug fix and security update


Red Hat OpenShift Container Platform release 4.19.27 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 4.19.

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-2026:5877: Moderate: OpenShift Container Platform 4.19.27 bug fix and security update



RHSA-2026:6342: Important: thunderbird security update


An update for thunderbird 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-2026:6342: Important: thunderbird security update



RHSA-2026:5866: Important: OpenShift Container Platform 4.17.52 packages and security update


Red Hat OpenShift Container Platform release 4.17.52 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 4.17.

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-2026:5866: Important: OpenShift Container Platform 4.17.52 packages and security update



RHSA-2026:5867: Moderate: OpenShift Container Platform 4.17.52 bug fix and security update


Red Hat OpenShift Container Platform release 4.17.52 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 4.17.

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-2026:5867: Moderate: OpenShift Container Platform 4.17.52 bug fix and security update



RHSA-2026:6344: Important: grafana security 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 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-2026:6344: Important: grafana security update



RHSA-2026:5876: Moderate: OpenShift Container Platform 4.19.27 packages and security update


Red Hat OpenShift Container Platform release 4.19.27 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 4.19.

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-2026:5876: Moderate: OpenShift Container Platform 4.19.27 packages and security update



RHSA-2026:6341: Important: Red Hat build of Cryostat security update


An update is now available for the Red Hat build of Cryostat 4 on 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.


RHSA-2026:6341: Important: Red Hat build of Cryostat security update



RHSA-2026:6340: Important: freerdp security update


An update for freerdp 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-2026:6340: Important: freerdp security update



RHSA-2026:6278: Important: Red Hat Ansible Automation Platform 2.5 Product Security and Bug Fix Update


An update is now available for Red Hat Ansible Automation Platform 2.5

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-2026:6278: Important: Red Hat Ansible Automation Platform 2.5 Product Security and Bug Fix Update



RHSA-2026:6384: Important: freerdp security update


An update for freerdp is now available for Red Hat Enterprise Linux 9.4 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-2026:6384: Important: freerdp security update



RHSA-2026:6388: Important: grafana-pcp security update


An update for grafana-pcp 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-2026:6388: Important: grafana-pcp security update



RHSA-2026:6395: Important: freerdp security update


An update for freerdp is now available for Red Hat Enterprise Linux 9.0 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-2026:6395: Important: freerdp security update



RHSA-2026:6385: Important: freerdp security update


An update for freerdp 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-2026:6385: Important: freerdp security update



RHSA-2026:6407: Moderate: nginx:1.24 security update


An update for the nginx:1.24 module is now available for Red Hat Enterprise Linux 9.4 Extended Update Support.

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-2026:6407: Moderate: nginx:1.24 security update



RHSA-2026:6408: Moderate: nginx security update


An update for nginx is now available for Red Hat Enterprise Linux 9.0 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-2026:6408: Moderate: nginx security update



RHSA-2026:6396: Important: freerdp security update


An update for freerdp 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-2026:6396: Important: freerdp security update



RHSA-2026:6391: Moderate: mysql:8.4 security update


An update for the mysql:8.4 module 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-2026:6391: Moderate: mysql:8.4 security update



RHSA-2026:6390: Moderate: rsync security update


An update for rsync is now available for Red Hat Enterprise Linux 9.

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-2026:6390: Moderate: rsync security update



RHSA-2026:6383: Important: grafana-pcp security update


An update for grafana-pcp 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-2026:6383: Important: grafana-pcp security update



RHSA-2026:6382: Important: grafana security update


An update for grafana 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-2026:6382: Important: grafana security update



RHSA-2026:6311: Moderate: nginx security update


An update for nginx 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 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-2026:6311: Moderate: nginx security update



RHSA-2026:6302: Moderate: nginx:1.24 security update


An update for the nginx:1.24 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 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-2026:6302: Moderate: nginx:1.24 security update