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Red Hat has released several security updates for various products, including Thunderbird, Firefox, kernel, and httpd. The updates are rated as having an Important or Moderate security impact by Red Hat Product Security, with some vulnerabilities receiving a Common Vulnerability Scoring System (CVSS) base score to give a detailed severity rating. The affected systems include Red Hat Enterprise Linux 7 Extended Lifecycle Support, 8.x versions, and 9.x versions.

RHSA-2025:15438: Important: thunderbird security update
RHSA-2025:15435: Important: thunderbird security update
RHSA-2025:15434: Important: thunderbird security update
RHSA-2025:15436: Important: thunderbird security update
RHSA-2025:15437: Important: thunderbird security update
RHSA-2025:15429: Important: kernel security update
RHSA-2025:15430: Important: firefox security update
RHSA-2025:15447: Important: kernel security update
RHSA-2025:15535: Important: thunderbird security update
RHSA-2025:15516: Moderate: httpd:2.4 security update
RHSA-2025:15496: Important: thunderbird security update
RHSA-2025:15471: Important: kernel security update
RHSA-2025:15472: Important: kernel-rt security update
RHSA-2025:15463: Moderate: qt5-qt3d security update




RHSA-2025:15438: Important: thunderbird security update


An update for thunderbird 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-2025:15438: Important: thunderbird security update



RHSA-2025:15435: Important: thunderbird security update


An update for thunderbird 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-2025:15435: Important: thunderbird security update



RHSA-2025:15434: Important: thunderbird security update


An update for thunderbird 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-2025:15434: Important: thunderbird security update



RHSA-2025:15436: Important: thunderbird security update


An update for thunderbird 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-2025:15436: Important: thunderbird security update



RHSA-2025:15437: Important: thunderbird security update


An update for thunderbird 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 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-2025:15437: Important: thunderbird security update



RHSA-2025:15429: Important: 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 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-2025:15429: Important: kernel security update



RHSA-2025:15430: Important: firefox security update


An update for firefox 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-2025:15430: Important: firefox security update



RHSA-2025:15447: Important: 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 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-2025:15447: Important: kernel security update



RHSA-2025:15535: Important: thunderbird security update


An update for thunderbird 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-2025:15535: Important: thunderbird security update



RHSA-2025:15516: Moderate: httpd:2.4 security update


An update for the httpd:2.4 module 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-2025:15516: Moderate: httpd:2.4 security update



RHSA-2025:15496: Important: thunderbird security update


An update for thunderbird 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-2025:15496: Important: thunderbird security update



RHSA-2025:15471: Important: 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 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-2025:15471: Important: kernel security update



RHSA-2025:15472: Important: kernel-rt security 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-2025:15472: Important: kernel-rt security update



RHSA-2025:15463: Moderate: qt5-qt3d security update


An update for qt5-qt3d 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-2025:15463: Moderate: qt5-qt3d security update