Red Hat Enterprise Linux 8, 9 and 10 users receive a series of security updates covering core components such as the kernel, python3, urllib3, gnupg2, php, glib2, gpsd, and the real‑time kernel. While most errata are rated Moderate impact, several—particularly those for python-urllib3, python3‑12‑urllib3, gnupg2, php, gpsd, and the kernel‑rt—are classified as Important.

RHSA-2026:1662: Moderate: kernel security update
RHSA-2026:1631: Moderate: python3 security update
RHSA-2026:1619: Important: python3.12-urllib3 security update
RHSA-2026:1629: Important: gnupg2 security update
RHSA-2026:1628: Important: php security update
RHSA-2026:1608: Moderate: glib2 security update
RHSA-2026:1625: Moderate: glib2 security update
RHSA-2026:1621: Important: gpsd security update
RHSA-2026:1624: Moderate: glib2 security update
RHSA-2026:1627: Moderate: glib2 security update
RHSA-2026:1626: Moderate: glib2 security update
RHSA-2026:1620: Moderate: python3 security update
RHSA-2026:1618: Important: python-urllib3 security update
RHSA-2026:1623: Important: kernel-rt security update

RHSA-2026:1662: Moderate: kernel security update

An update for kernel 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-2026:1662: Moderate: kernel security update

RHSA-2026:1631: Moderate: python3 security update

An update for python3 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-2026:1631: Moderate: python3 security update

RHSA-2026:1619: Important: python3.12-urllib3 security update

An update for python3.12-urllib3 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-2026:1619: Important: python3.12-urllib3 security update

RHSA-2026:1629: Important: gnupg2 security update

An update for gnupg2 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-2026:1629: Important: gnupg2 security update

RHSA-2026:1628: Important: php security update

An update for php 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-2026:1628: Important: php security update

RHSA-2026:1608: Moderate: 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 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-2026:1608: Moderate: glib2 security update

RHSA-2026:1625: Moderate: 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 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-2026:1625: Moderate: glib2 security update

RHSA-2026:1621: Important: gpsd security update

An update for gpsd 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-2026:1621: Important: gpsd security update

RHSA-2026:1624: Moderate: glib2 security update

An update for glib2 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 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-2026:1624: Moderate: glib2 security update

RHSA-2026:1627: Moderate: glib2 security update

An update for glib2 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-2026:1627: Moderate: glib2 security update

RHSA-2026:1626: Moderate: 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 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-2026:1626: Moderate: glib2 security update

RHSA-2026:1620: Moderate: python3 security update

An update for python3 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-2026:1620: Moderate: python3 security update

RHSA-2026:1618: Important: python-urllib3 security update

An update for python-urllib3 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-2026:1618: Important: python-urllib3 security update

RHSA-2026:1623: Important: kernel-rt security update

An update for kernel-rt 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-2026:1623: Important: kernel-rt security update