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Several security updates are available for various Red Hat Enterprise Linux versions and modules. Red Hat Product Security has rated the squid:4 module update as having a security impact of Important, while kernel and kernel-rt updates have been rated Moderate across multiple RHEL versions. Additionally, several other updates have been released with important security ratings, including those for Firefox, Bind, IDM:DL1, Python-KDCProxy, and others.

RHSA-2025:21090: Important: squid:4 security update
RHSA-2025:21083: Moderate: kernel security update
RHSA-2025:21082: Moderate: kernel-rt security update
RHSA-2025:21066: Important: squid security update
RHSA-2025:21063: Moderate: kernel security update
RHSA-2025:21068: Important: Red Hat Ceph Storage 8.1 bug fix update
RHSA-2025:21060: Important: libtiff security update
RHSA-2025:21059: Important: firefox security update
RHSA-2025:21064: Important: firefox security update
RHSA-2025:21110: Important: bind security update
RHSA-2025:21111: Important: bind9.18 security update
RHSA-2025:21121: Important: firefox security update
RHSA-2025:21118: Moderate: kernel security update
RHSA-2025:21112: Moderate: kernel security update
RHSA-2025:21136: Moderate: kernel-rt security update
RHSA-2025:21128: Moderate: kernel-rt security update
RHSA-2025:21120: Important: firefox security update
RHSA-2025:21091: Moderate: kernel security update
RHSA-2025:21174: Moderate: openssl security update
RHSA-2025:21140: Important: idm:DL1 security update
RHSA-2025:21138: Important: python-kdcproxy security update
RHSA-2025:21139: Important: python-kdcproxy security update
RHSA-2025:21142: Important: python-kdcproxy security update
RHSA-2025:21141: Important: python-kdcproxy security update




RHSA-2025:21090: Important: squid:4 security update


An update for the squid:4 module 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-2025:21090: Important: squid:4 security update



RHSA-2025:21083: Moderate: kernel security update


An update for kernel 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-2025:21083: Moderate: kernel security update



RHSA-2025:21082: Moderate: 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 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-2025:21082: Moderate: kernel-rt security update



RHSA-2025:21066: Important: squid security update


An update for squid 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-2025:21066: Important: squid security update



RHSA-2025:21063: 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-2025:21063: Moderate: kernel security update



RHSA-2025:21068: Important: Red Hat Ceph Storage 8.1 bug fix update


An update is now available for Red Hat Ceph Storage 8.1.


RHSA-2025:21068: Important: Red Hat Ceph Storage 8.1 bug fix update



RHSA-2025:21060: Important: libtiff security update


An update for libtiff 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-2025:21060: Important: libtiff security update



RHSA-2025:21059: Important: firefox security update


An update for firefox 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-2025:21059: Important: firefox security update



RHSA-2025:21064: Important: firefox security update


An update for firefox 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-2025:21064: Important: firefox security update



RHSA-2025:21110: Important: bind security update


An update for bind 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-2025:21110: Important: bind security update



RHSA-2025:21111: Important: bind9.18 security update


An update for bind9.18 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-2025:21111: Important: bind9.18 security update



RHSA-2025:21121: Important: firefox security update


An update for firefox 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-2025:21121: Important: firefox security update



RHSA-2025:21118: Moderate: kernel security 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-2025:21118: Moderate: kernel security update



RHSA-2025:21112: Moderate: kernel security 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-2025:21112: Moderate: kernel security update



RHSA-2025:21136: 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-2025:21136: Moderate: kernel-rt security update



RHSA-2025:21128: Moderate: kernel-rt security update


An update for kernel-rt 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-2025:21128: Moderate: kernel-rt security update



RHSA-2025:21120: Important: firefox security update


An update for firefox 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-2025:21120: Important: firefox security update



RHSA-2025:21091: 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-2025:21091: Moderate: kernel security update



RHSA-2025:21174: Moderate: openssl security update


An update for openssl 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-2025:21174: Moderate: openssl security update



RHSA-2025:21140: Important: idm:DL1 security update


An update for the idm:DL1 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-2025:21140: Important: idm:DL1 security update



RHSA-2025:21138: Important: python-kdcproxy security update


An update for python-kdcproxy 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-2025:21138: Important: python-kdcproxy security update



RHSA-2025:21139: Important: python-kdcproxy security update


An update for python-kdcproxy 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-2025:21139: Important: python-kdcproxy security update



RHSA-2025:21142: Important: python-kdcproxy security update


An update for python-kdcproxy 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-2025:21142: Important: python-kdcproxy security update



RHSA-2025:21141: Important: python-kdcproxy security update


An update for python-kdcproxy 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-2025:21141: Important: python-kdcproxy security update