Red Hat issued a batch of security advisories covering important and moderate vulnerabilities across Red Hat Enterprise Linux versions 7 through 10. The updates address security flaws in widely used system components including the kernel, glib2, libXfont2, postfix, and systemd. Several advisories also target specialized environments, with fixes for OpenShift Container Platform releases, RHEL AI runtime images, and container tools modules. Administrators managing Red Hat systems should apply these patches immediately, as Red Hat Product Security rated most of the vulnerabilities at an Important level.

RHSA-2026:50979: Important: kernel-rt security, bug fix, and enhancement update
RHSA-2026:51045: Moderate: fence-agents security update
RHSA-2026:51062: Important: libXfont2 security update
RHSA-2026:51060: Important: libXfont2 security update
RHSA-2026:51061: Important: libXfont2 security update
RHSA-2026:51035: Moderate: kernel security, bug fix, and enhancement update
RHSA-2026:47702: Important: OpenShift Container Platform 4.12.95 bug fix and security update
RHSA-2026:51034: Important: postfix security update
RHSA-2026:51075: Important: gpsd security update
RHSA-2026:51063: Important: libXfont2 security update
RHSA-2026:51146: Important: RHEL AI 3.4 RPM runtime CVE fix - aom
RHSA-2026:47727: Important: OpenShift Container Platform 4.17.56 bug fix and security update
RHSA-2026:51180: Important: Backport fixes for CVE-2026-64835 and CVE-2026-58049
RHSA-2026:51112: Important: grafana security update
RHSA-2026:51152: Moderate: fence-agents security update
RHSA-2026:51182: Important: glib2 security update
RHSA-2026:51187: Important: yggdrasil security update
RHSA-2026:51176: Important: glib2 security update
RHSA-2026:51181: Important: glib2 security update
RHSA-2026:51184: Important: glib2 security update
RHSA-2026:51105: Important: LibRaw security update
RHSA-2026:51157: Moderate: fence-agents security update
RHSA-2026:51134: Moderate: systemd security, bug fix, and enhancement update
RHSA-2026:51100: Important: RHEL AI 3.3 RPM runtime CVE fix - aom
RHSA-2026:51059: Important: libXfont2 security update
RHSA-2026:51066: Important: libXfont2 security update
RHSA-2026:51067: Important: libXfont2 security update
RHSA-2026:51058: Important: libXfont2 security update
RHSA-2026:51064: Important: pipewire security update
RHSA-2026:51436: Important: postfix security update
RHSA-2026:51295: Moderate: kernel security, bug fix, and enhancement update
RHSA-2026:51368: Important: libyang security update
RHSA-2026:51351: Important: libyang security update
RHSA-2026:51339: Important: libyang security update
RHSA-2026:51277: Moderate: systemd security, bug fix, and enhancement update
RHSA-2026:51175: Important: glib2 security update
RHSA-2026:51358: Important: RHEL AI 3.6 RPM runtime CVE fix - thrift
RHSA-2026:51288: Important: container-tools:rhel8 security update
RHSA-2026:51153: Important: gpsd-minimal security update
RHSA-2026:51177: Important: glib2 security update
RHSA-2026:51185: Important: glib2 security update
RHSA-2026:51183: Important: glib2 security update

RHSA-2026:50979: Important: kernel-rt security, bug fix, and enhancement 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 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-2026:50979: Important: kernel-rt security, bug fix, and enhancement update

RHSA-2026:51045: Moderate: fence-agents security update

An update for fence-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-2026:51045: Moderate: fence-agents security update

RHSA-2026:51062: Important: libXfont2 security update

An update for libXfont2 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-2026:51062: Important: libXfont2 security update

RHSA-2026:51060: Important: libXfont2 security update

An update for libXfont2 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-2026:51060: Important: libXfont2 security update

RHSA-2026:51061: Important: libXfont2 security update

An update for libXfont2 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-2026:51061: Important: libXfont2 security update

RHSA-2026:51035: Moderate: 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 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-2026:51035: Moderate: kernel security, bug fix, and enhancement update

RHSA-2026:47702: Important: OpenShift Container Platform 4.12.95 bug fix and security update

Red Hat OpenShift Container Platform release 4.12.95 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 4.12.

Red Hat Product Security has rated this update as having a security impact
of Low. 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-2026:47702: Important: OpenShift Container Platform 4.12.95 bug fix and security update

RHSA-2026:51034: Important: postfix security update

An update for postfix 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-2026:51034: Important: postfix security update

RHSA-2026:51075: Important: gpsd security update

An update for gpsd 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-2026:51075: Important: gpsd security update

RHSA-2026:51063: Important: libXfont2 security update

An update for libXfont2 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-2026:51063: Important: libXfont2 security update

RHSA-2026:51146: Important: RHEL AI 3.4 RPM runtime CVE fix - aom

AIPCC Security Alerts identified CVEs in the 3.4 release of base-images. The CVE(s) are listed with a severity level of "Important" or higher.

RHSA-2026:51146: Important: RHEL AI 3.4 RPM runtime CVE fix - aom

RHSA-2026:47727: Important: OpenShift Container Platform 4.17.56 bug fix and security update

Red Hat OpenShift Container Platform release 4.17.56 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-2026:47727: Important: OpenShift Container Platform 4.17.56 bug fix and security update

RHSA-2026:51180: Important: Backport fixes for CVE-2026-64835 and CVE-2026-58049

Backport fixes for CVE-2026-64835 and CVE-2026-58049

RHSA-2026:51180: Important: Backport fixes for CVE-2026-64835 and CVE-2026-58049

RHSA-2026:51112: Important: grafana security update

An update for grafana 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-2026:51112: Important: grafana security update

RHSA-2026:51152: Moderate: fence-agents security update

An update for fence-agents 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-2026:51152: Moderate: fence-agents security update

RHSA-2026:51182: Important: glib2 security update

An update for glib2 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-2026:51182: Important: glib2 security update

RHSA-2026:51187: Important: yggdrasil security update

An update for yggdrasil 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-2026:51187: Important: yggdrasil security update

RHSA-2026:51176: Important: glib2 security update

An update for glib2 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-2026:51176: Important: glib2 security update

RHSA-2026:51181: Important: glib2 security update

An update for glib2 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-2026:51181: Important: glib2 security update

RHSA-2026:51184: Important: glib2 security update

An update for glib2 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-2026:51184: Important: glib2 security update

RHSA-2026:51105: Important: LibRaw security update

An update for LibRaw 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-2026:51105: Important: LibRaw security update

RHSA-2026:51157: Moderate: fence-agents security update

An update for fence-agents 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 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-2026:51157: Moderate: fence-agents security update

RHSA-2026:51134: Moderate: systemd security, bug fix, and enhancement update

An update for systemd 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-2026:51134: Moderate: systemd security, bug fix, and enhancement update

RHSA-2026:51100: Important: RHEL AI 3.3 RPM runtime CVE fix - aom

AIPCC Security Alerts identified CVEs in the 3.3 release of base-images. The CVE(s) are listed with a severity level of "Important" or higher.

RHSA-2026:51100: Important: RHEL AI 3.3 RPM runtime CVE fix - aom

RHSA-2026:51059: Important: libXfont2 security update

An update for libXfont2 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-2026:51059: Important: libXfont2 security update

RHSA-2026:51066: Important: libXfont2 security update

An update for libXfont2 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-2026:51066: Important: libXfont2 security update

RHSA-2026:51067: Important: libXfont2 security update

An update for libXfont2 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-2026:51067: Important: libXfont2 security update

RHSA-2026:51058: Important: libXfont2 security update

An update for libXfont2 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-2026:51058: Important: libXfont2 security update

RHSA-2026:51064: Important: pipewire security update

An update for pipewire 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-2026:51064: Important: pipewire security update

RHSA-2026:51436: Important: postfix security update

An update for postfix 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-2026:51436: Important: postfix security update

RHSA-2026:51295: Moderate: 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 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-2026:51295: Moderate: kernel security, bug fix, and enhancement update

RHSA-2026:51368: Important: libyang security update

An update for libyang 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-2026:51368: Important: libyang security update

RHSA-2026:51351: Important: libyang security update

An update for libyang 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-2026:51351: Important: libyang security update

RHSA-2026:51339: Important: libyang security update

An update for libyang 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-2026:51339: Important: libyang security update

RHSA-2026:51277: Moderate: systemd security, bug fix, and enhancement update

An update for systemd 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-2026:51277: Moderate: systemd security, bug fix, and enhancement update

RHSA-2026:51175: Important: glib2 security update

An update for glib2 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-2026:51175: Important: glib2 security update

RHSA-2026:51358: Important: RHEL AI 3.6 RPM runtime CVE fix - thrift

AIPCC Security Alerts identified CVEs in the 3.X release of base-images. The
CVE(s) are listed with a severity level of "Important" or higher.

RHSA-2026:51358: Important: RHEL AI 3.6 RPM runtime CVE fix - thrift

RHSA-2026:51288: Important: container-tools:rhel8 security update

An update for the container-tools:rhel8 module 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-2026:51288: Important: container-tools:rhel8 security update

RHSA-2026:51153: Important: gpsd-minimal security update

An update for gpsd-minimal 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-2026:51153: Important: gpsd-minimal security update

RHSA-2026:51177: Important: glib2 security update

An update for glib2 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-2026:51177: Important: glib2 security update

RHSA-2026:51185: Important: glib2 security update

An update for glib2 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-2026:51185: Important: glib2 security update

RHSA-2026:51183: Important: glib2 security update

An update for glib2 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-2026:51183: Important: glib2 security update