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Red Hat has issued a broad set of security advisories to patch vulnerabilities across multiple RHEL versions. The updates target essential software like Python, OpenJDK, the Linux kernel, OpenSSH, and various web frameworks that administrators rely on daily. Red Hat Product Security classified most of these releases as Important or Moderate, though each advisory provides a detailed CVSS base score for precise risk assessment. System administrators should apply these patches promptly through standard package managers to maintain system integrity and close known security gaps.

RHSA-2026:9621: Important: python3 security update
RHSA-2026:9614: Important: python security update
RHSA-2026:9605: Important: perl-XML-Parser security update
RHSA-2026:9591: Important: python3.11 security update
RHSA-2026:9592: Important: libarchive security update
RHSA-2026:9656: Important: freerdp security update
RHSA-2026:9695: Important: rhc security update
RHSA-2026:9692: Important: webkit2gtk3 security update
RHSA-2026:9666: Moderate: wireshark security update
RHSA-2026:8423: Important: OpenShift Container Platform 4.18.38 bug fix and security update
RHSA-2026:9644: Moderate: kernel security update
RHSA-2026:9643: Moderate: kernel security update
RHSA-2026:9641: Important: freerdp security update
RHSA-2026:9640: Important: freerdp security update
RHSA-2026:9638: Important: thunderbird security update
RHSA-2026:9836: Moderate: kernel security update
RHSA-2026:9835: Moderate: kernel-rt security update
RHSA-2026:9255: Important: OpenJDK 11.0.31 ELS Security Update for Portable Linux Builds
RHSA-2026:9256: Important: OpenJDK 11.0.31 ELS Security Update for Windows Builds
RHSA-2026:9745: Important: python3 security update
RHSA-2026:9711: Important: nodejs:20 security update
RHSA-2026:9705: Important: python3.11 security update
RHSA-2026:9254: Important: Java 11 OpenJDK ELS Security Update
RHSA-2026:9874: Important: nodejs:20 security update
RHSA-2026:9870: Moderate: kernel security update
RHSA-2026:9693: Important: java-25-openjdk security update
RHSA-2026:9682: Important: java-1.8.0-openjdk security update
RHSA-2026:9732: Important: openssh security update




RHSA-2026:9621: Important: python3 security update


An update for python3 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-2026:9621: Important: python3 security update



RHSA-2026:9614: Important: python security update


An update for python 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-2026:9614: Important: python security update



RHSA-2026:9605: Important: perl-XML-Parser security update


An update for perl-XML-Parser 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-2026:9605: Important: perl-XML-Parser security update



RHSA-2026:9591: Important: python3.11 security update


An update for python3.11 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-2026:9591: Important: python3.11 security update



RHSA-2026:9592: Important: libarchive security update


An update for libarchive 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-2026:9592: Important: libarchive security update



RHSA-2026:9656: 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-2026:9656: Important: freerdp security update



RHSA-2026:9695: Important: rhc security update


An update for rhc 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-2026:9695: Important: rhc security update



RHSA-2026:9692: Important: webkit2gtk3 security update


An update for webkit2gtk3 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-2026:9692: Important: webkit2gtk3 security update



RHSA-2026:9666: Moderate: wireshark security update


An update for wireshark 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-2026:9666: Moderate: wireshark security update



RHSA-2026:8423: Important: OpenShift Container Platform 4.18.38 bug fix and security update


Red Hat OpenShift Container Platform release 4.18.38 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 4.18.

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-2026:8423: Important: OpenShift Container Platform 4.18.38 bug fix and security update



RHSA-2026:9644: Moderate: kernel security update


An update for kernel 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 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-2026:9644: Moderate: kernel security update



RHSA-2026:9643: Moderate: kernel security update


An update for kernel 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 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-2026:9643: Moderate: kernel security update



RHSA-2026:9641: 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-2026:9641: Important: freerdp security update



RHSA-2026:9640: 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-2026:9640: Important: freerdp security update



RHSA-2026:9638: 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-2026:9638: Important: thunderbird security update



RHSA-2026:9836: Moderate: kernel security update


An update for kernel 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-2026:9836: Moderate: kernel security update



RHSA-2026:9835: Moderate: kernel-rt security update


An update for kernel-rt 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-2026:9835: Moderate: kernel-rt security update



RHSA-2026:9255: Important: OpenJDK 11.0.31 ELS Security Update for Portable Linux Builds


An update is now available for OpenJDK.

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-2026:9255: Important: OpenJDK 11.0.31 ELS Security Update for Portable Linux Builds



RHSA-2026:9256: Important: OpenJDK 11.0.31 ELS Security Update for Windows Builds


An update is now available for OpenJDK.

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-2026:9256: Important: OpenJDK 11.0.31 ELS Security Update for Windows Builds



RHSA-2026:9745: Important: python3 security update


An update for python3 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-2026:9745: Important: python3 security update



RHSA-2026:9711: Important: nodejs:20 security update


An update for the nodejs:20 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 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-2026:9711: Important: nodejs:20 security update



RHSA-2026:9705: Important: python3.11 security update


An update for python3.11 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-2026:9705: Important: python3.11 security update



RHSA-2026:9254: Important: Java 11 OpenJDK ELS Security Update


An update for java-11-openjdk with Extended Lifecycle Support is now available for Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, and Red Hat Enterprise Linux 9.


RHSA-2026:9254: Important: Java 11 OpenJDK ELS Security Update



RHSA-2026:9874: Important: nodejs:20 security update


An update for the nodejs:20 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-2026:9874: Important: nodejs:20 security update



RHSA-2026:9870: Moderate: kernel security update


An update for kernel 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 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-2026:9870: Moderate: kernel security update



RHSA-2026:9693: Important: java-25-openjdk security update


An update for java-25-openjdk is now available for Red Hat Enterprise Linux 9 and 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-2026:9693: Important: java-25-openjdk security update



RHSA-2026:9682: Important: java-1.8.0-openjdk security update


An update for java-1.8.0-openjdk 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-2026:9682: Important: java-1.8.0-openjdk security update



RHSA-2026:9732: Important: openssh security update


An update for openssh 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-2026:9732: Important: openssh security update