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Red Hat Product Security has issued a batch of updates that impact critical software like rhc, the kernel, and JBoss Enterprise Application Platform. Most advisories carry an Important rating although some grub2 and kernel components on various RHEL versions are rated as Moderate instead.

RHSA-2026:4901: Important: rhc security update
RHSA-2026:4907: Important: rhc security update
RHSA-2026:4899: Moderate: kernel security update
RHSA-2026:4898: Important: capstone security update
RHSA-2026:4900: Moderate: grub2 security update
RHSA-2026:4892: Important: rhc security update
RHSA-2026:4419: Important: OpenShift Container Platform 4.15.62 bug fix and security update
RHSA-2026:5031: Important: rhc security update
RHSA-2026:5030: Important: rhc security update
RHSA-2026:5022: Important: rhc security update
RHSA-2026:4998: Moderate: grub2 security update
RHSA-2026:4952: Important: rhc security update
RHSA-2026:4924: Important: Red Hat JBoss Enterprise Application Platform 7.4.24 security update
RHSA-2026:4917: Important: Red Hat JBoss Enterprise Application Platform 7.4.24 security update
RHSA-2026:4915: Important: Red Hat JBoss Enterprise Application Platform 7.4.24 security update
RHSA-2026:4916: Important: Red Hat JBoss Enterprise Application Platform 7.4.24 security update




RHSA-2026:4901: Important: rhc security update


An update for rhc 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-2026:4901: Important: rhc security update



RHSA-2026:4907: Important: rhc security update


An update for rhc 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-2026:4907: Important: rhc security update



RHSA-2026:4899: Moderate: kernel security update


An update for kernel 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-2026:4899: Moderate: kernel security update



RHSA-2026:4898: Important: capstone security update


An update for capstone 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-2026:4898: Important: capstone security update



RHSA-2026:4900: Moderate: grub2 security update


An update for grub2 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-2026:4900: Moderate: grub2 security update



RHSA-2026:4892: Important: rhc security update


An update for rhc 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-2026:4892: Important: rhc security update



RHSA-2026:4419: Important: OpenShift Container Platform 4.15.62 bug fix and security update


Red Hat OpenShift Container Platform release 4.15.62 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 4.15.

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-2026:4419: Important: OpenShift Container Platform 4.15.62 bug fix and security update



RHSA-2026:5031: Important: rhc security update


An update for rhc is now available for Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support, Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions, and Red Hat Enterprise Linux 8.6 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-2026:5031: Important: rhc security update



RHSA-2026:5030: Important: rhc security update


An update for rhc 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-2026:5030: Important: rhc security update



RHSA-2026:5022: 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-2026:5022: Important: rhc security update



RHSA-2026:4998: Moderate: grub2 security update


An update for grub2 is now available for Red Hat Enterprise Linux 8.2 Advanced 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-2026:4998: Moderate: grub2 security update



RHSA-2026:4952: Important: rhc security update


An update for rhc 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-2026:4952: Important: rhc security update



RHSA-2026:4924: Important: Red Hat JBoss Enterprise Application Platform 7.4.24 security update


A security update is now available for Red Hat JBoss Enterprise Application Platform 7.4. 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-2026:4924: Important: Red Hat JBoss Enterprise Application Platform 7.4.24 security update



RHSA-2026:4917: Important: Red Hat JBoss Enterprise Application Platform 7.4.24 security update


A security update is now available for Red Hat JBoss Enterprise Application Platform 7.4 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-2026:4917: Important: Red Hat JBoss Enterprise Application Platform 7.4.24 security update



RHSA-2026:4915: Important: Red Hat JBoss Enterprise Application Platform 7.4.24 security update


A security update is now available for Red Hat JBoss Enterprise Application Platform 7.4 for Red Hat Enterprise Linux 7. 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-2026:4915: Important: Red Hat JBoss Enterprise Application Platform 7.4.24 security update



RHSA-2026:4916: Important: Red Hat JBoss Enterprise Application Platform 7.4.24 security update


A security update is now available for Red Hat JBoss Enterprise Application Platform 7.4 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-2026:4916: Important: Red Hat JBoss Enterprise Application Platform 7.4.24 security update