Red Hat has issued a broad collection of security advisories that address vulnerabilities across numerous packages on its enterprise operating system platforms. IT teams must focus first on the important patches for critical tools like the kernel, OpenSSH, and PHP while scheduling moderate fixes for supporting libraries later in their maintenance windows. Every single advisory provides detailed Common Vulnerability Scoring System metrics so administrators can evaluate threat severity without guessing. Deploying these updates immediately will close known security gaps and keep production environments stable against emerging exploits.

RHSA-2026:22305: Important: php:8.2 security update
RHSA-2026:22304: Important: postgresql-jdbc security update
RHSA-2026:22309: Important: rhc security update
RHSA-2026:22325: Important: thunderbird security update
RHSA-2026:22323: Moderate: libsoup security update
RHSA-2026:22312: Moderate: openssl security update
RHSA-2026:22314: Moderate: openssl security update
RHSA-2026:22313: Moderate: compat-openssl11 security update
RHSA-2026:22316: Moderate: libsoup security update
RHSA-2026:22334: Important: kernel security update
RHSA-2026:22330: Important: fence-agents security update
RHSA-2026:22329: Important: openssh security update
RHSA-2026:22328: Important: java-21-ibm-semeru-certified-jdk security update
RHSA-2026:22326: Moderate: Satellite 6.19.1 Async Update
RHSA-2026:22324: Important: firefox security update
RHSA-2026:22317: Moderate: libsoup security update
RHSA-2026:22315: Moderate: compat-openssl10 security update
RHSA-2026:22145: Important: .NET 10.0 security update
RHSA-2026:22146: Important: PackageKit security update
RHSA-2026:22140: Important: httpd:2.4 security update

RHSA-2026:22305: Important: php:8.2 security update

An update for the php:8.2 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-2026:22305: Important: php:8.2 security update

RHSA-2026:22304: Important: postgresql-jdbc security update

An update for postgresql-jdbc 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-2026:22304: Important: postgresql-jdbc security update

RHSA-2026:22309: 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-2026:22309: Important: rhc security update

RHSA-2026:22325: 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-2026:22325: Important: thunderbird security update

RHSA-2026:22323: Moderate: libsoup security update

An update for libsoup 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-2026:22323: Moderate: libsoup security update

RHSA-2026:22312: Moderate: openssl security update

An update for openssl 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-2026:22312: Moderate: openssl security update

RHSA-2026:22314: Moderate: openssl security update

An update for openssl 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-2026:22314: Moderate: openssl security update

RHSA-2026:22313: Moderate: compat-openssl11 security update

An update for compat-openssl11 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-2026:22313: Moderate: compat-openssl11 security update

RHSA-2026:22316: Moderate: libsoup security update

An update for libsoup 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-2026:22316: Moderate: libsoup security update

RHSA-2026:22334: Important: kernel security update

An update for kernel 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-2026:22334: Important: kernel security update

RHSA-2026:22330: Important: fence-agents security update

An update for fence-agents 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-2026:22330: Important: fence-agents security update

RHSA-2026:22329: Important: openssh security update

An update for openssh 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-2026:22329: Important: openssh security update

RHSA-2026:22328: Important: java-21-ibm-semeru-certified-jdk security update

An update for java-21-ibm-semeru-certified-jdk is now available for Red Hat Enterprise Linux 10.0 Extended Update Support, Red Hat Enterprise Linux 10, and Red Hat Enterprise Linux 10.2 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-2026:22328: Important: java-21-ibm-semeru-certified-jdk security update

RHSA-2026:22326: Moderate: Satellite 6.19.1 Async Update

A new release is now available for Red Hat Satellite 6.19 for RHEL 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-2026:22326: Moderate: Satellite 6.19.1 Async Update

RHSA-2026:22324: 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-2026:22324: Important: firefox security update

RHSA-2026:22317: Moderate: libsoup security update

An update for libsoup 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-2026:22317: Moderate: libsoup security update

RHSA-2026:22315: Moderate: compat-openssl10 security update

An update for compat-openssl10 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-2026:22315: Moderate: compat-openssl10 security update

RHSA-2026:22145: Important: .NET 10.0 security update

An update for .NET 10.0 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-2026:22145: Important: .NET 10.0 security update

RHSA-2026:22146: Important: PackageKit security update

An update for PackageKit 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-2026:22146: Important: PackageKit security update

RHSA-2026:22140: Important: httpd:2.4 security update

An update for the httpd:2.4 module is now available for Red Hat Enterprise Linux 8.

Red Hat Product Security has rated this update as having a security impact of 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-2026:22140: Important: httpd:2.4 security update