Red Hat Product Security has announced multiple security advisories covering applications like Thunderbird, Bind, and Vim across various Linux environments. While most updates carry an Important security rating, administrators should note that one Rhc patch is classified as Critical. These releases target different Red Hat Enterprise Linux versions ranging from version 7 all the way to version 10 Extended Update Support. Detailed vulnerability ratings can be found by following the CVE links provided within each reference section of the errata notices.

RHSA-2026:8290: Important: thunderbird security update
RHSA-2026:8284: Important: thunderbird security update
RHSA-2026:8289: Important: thunderbird security update
RHSA-2026:8286: Important: thunderbird security update
RHSA-2026:8288: Important: thunderbird security update
RHSA-2026:8285: Important: thunderbird security update
RHSA-2026:8314: Important: delve security update
RHSA-2026:8312: Important: bind security update
RHSA-2026:8287: Important: thunderbird security update
RHSA-2026:8259: Important: vim security update
RHSA-2026:8324: Important: rhc security update
RHSA-2026:8322: Critical: rhc security update
RHSA-2026:8352: Important: bind security update
RHSA-2026:8342: Moderate: kernel security update
RHSA-2026:8339: Important: nodejs:20 security update
RHSA-2026:8325: Important: buildah, crun, podman, runc, and skopeo security update
RHSA-2026:8317: Important: squid:4 security update
RHSA-2026:8315: Important: thunderbird security update
RHSA-2026:8311: Important: perl-YAML-Syck security update

RHSA-2026:8290: 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-2026:8290: Important: thunderbird security update

RHSA-2026:8284: Important: thunderbird security update

An update for thunderbird 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-2026:8284: Important: thunderbird security update

RHSA-2026:8289: 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-2026:8289: Important: thunderbird security update

RHSA-2026:8286: 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-2026:8286: Important: thunderbird security update

RHSA-2026:8288: 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-2026:8288: Important: thunderbird security update

RHSA-2026:8285: 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-2026:8285: Important: thunderbird security update

RHSA-2026:8314: Important: delve security update

An update for delve 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-2026:8314: Important: delve security update

RHSA-2026:8312: Important: bind security update

An update for bind 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-2026:8312: Important: bind security update

RHSA-2026:8287: 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-2026:8287: Important: thunderbird security update

RHSA-2026:8259: Important: vim security update

An update for vim 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-2026:8259: Important: vim security update

RHSA-2026:8324: Important: rhc security update

An update for rhc 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-2026:8324: Important: rhc security update

RHSA-2026:8322: Critical: rhc security update

An update for rhc 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 Critical. 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-2026:8322: Critical: rhc security update

RHSA-2026:8352: Important: bind security update

An update for bind 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-2026:8352: Important: bind security update

RHSA-2026:8342: Moderate: 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 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-2026:8342: Moderate: kernel security update

RHSA-2026:8339: Important: nodejs:20 security update

An update for the nodejs:20 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-2026:8339: Important: nodejs:20 security update

RHSA-2026:8325: Important: buildah, crun, podman, runc, and skopeo security update

An update for multiple packages 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-2026:8325: Important: buildah, crun, podman, runc, and skopeo security update

RHSA-2026:8317: Important: squid:4 security update

An update for the squid: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-2026:8317: Important: squid:4 security update

RHSA-2026:8315: Important: thunderbird security update

An update for thunderbird 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-2026:8315: Important: thunderbird security update

RHSA-2026:8311: Important: perl-YAML-Syck security update

An update for perl-YAML-Syck 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-2026:8311: Important: perl-YAML-Syck security update