Rocky Linux has published a batch of security and maintenance patches for versions 8, 9, and 10 under the RLSA-2026 advisory series. The releases address vulnerabilities and resolve bugs across core packages including Thunderbird, the Linux kernel, libgcrypt, ldns, and fence-agents. Each notice includes a Common Vulnerability Scoring System rating to help administrators prioritize installations based on threat severity.

RLSA-2026:50142: Important: sg3_utils security, bug fix, and enhancement update
RLSA-2026:50747: Important: freerdp security update
RLSA-2026:50144: Moderate: libgcrypt security update
RLSA-2026:49621: Important: thunderbird security update
RLSA-2026:49836: Important: ldns security update
RLSA-2026:49871: Moderate: kernel security, bug fix, and enhancement update
RLSA-2026:50141: Important: sg3_utils security, bug fix, and enhancement update
RLSA-2026:49838: Important: osbuild-composer security, bug fix, and enhancement update
RLSA-2026:49870: Low: kernel security, bug fix, and enhancement update
RLSA-2026:50317: Important: fence-agents security update
RLSA-2026:50108: Important: ldns security update
RLSA-2026:50147: Moderate: libgcrypt security update
RLSA-2026:49921: Important: thunderbird security update
RLSA-2026:49851: Moderate: kernel-rt security, bug fix, and enhancement update
RLSA-2026:49927: Moderate: fence-agents security update
RLSA-2026:49922: Important: thunderbird security update
RLSA-2026:49857: Moderate: kernel security, bug fix, and enhancement update

RLSA-2026:50142: Important: sg3_utils security, bug fix, and enhancement update

An update is available for sg3_utils.
This update affects Rocky Linux 10.
A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list

RLSA-2026:50142: Important: sg3_utils security, bug fix, and enhancement update

RLSA-2026:50747: Important: freerdp security update

An update is available for freerdp.
This update affects Rocky Linux 10.
A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list

RLSA-2026:50747: Important: freerdp security update

RLSA-2026:50144: Moderate: libgcrypt security update

An update is available for libgcrypt.
This update affects Rocky Linux 10.
A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list

RLSA-2026:50144: Moderate: libgcrypt security update

RLSA-2026:49621: Important: thunderbird security update

An update is available for thunderbird.
This update affects Rocky Linux 10.
A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list

RLSA-2026:49621: Important: thunderbird security update

RLSA-2026:49836: Important: ldns security update

An update is available for ldns.
This update affects Rocky Linux 10.
A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list

RLSA-2026:49836: Important: ldns security update

RLSA-2026:49871: Moderate: kernel security, bug fix, and enhancement update

An update is available for kernel.
This update affects Rocky Linux 10.
A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list

RLSA-2026:49871: Moderate: kernel security, bug fix, and enhancement update

RLSA-2026:50141: Important: sg3_utils security, bug fix, and enhancement update

An update is available for sg3_utils.
This update affects Rocky Linux 9.
A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list

RLSA-2026:50141: Important: sg3_utils security, bug fix, and enhancement update

RLSA-2026:49838: Important: osbuild-composer security, bug fix, and enhancement update

An update is available for osbuild-composer.
This update affects Rocky Linux 9.
A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list

RLSA-2026:49838: Important: osbuild-composer security, bug fix, and enhancement update

RLSA-2026:49870: Low: kernel security, bug fix, and enhancement update

An update is available for kernel.
This update affects Rocky Linux 9.
A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list

RLSA-2026:49870: Low: kernel security, bug fix, and enhancement update

RLSA-2026:50317: Important: fence-agents security update

An update is available for fence-agents.
This update affects Rocky Linux 9.
A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list

RLSA-2026:50317: Important: fence-agents security update

RLSA-2026:50108: Important: ldns security update

An update is available for ldns.
This update affects Rocky Linux 9.
A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list

RLSA-2026:50108: Important: ldns security update

RLSA-2026:50147: Moderate: libgcrypt security update

An update is available for libgcrypt.
This update affects Rocky Linux 9.
A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list

RLSA-2026:50147: Moderate: libgcrypt security update

RLSA-2026:49921: Important: thunderbird security update

An update is available for thunderbird.
This update affects Rocky Linux 9.
A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list

RLSA-2026:49921: Important: thunderbird security update

RLSA-2026:49851: Moderate: kernel-rt security, bug fix, and enhancement update

An update is available for kernel-rt.
This update affects Rocky Linux 8.
A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list

RLSA-2026:49851: Moderate: kernel-rt security, bug fix, and enhancement update

RLSA-2026:49927: Moderate: fence-agents security update

An update is available for fence-agents.
This update affects Rocky Linux 8.
A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list

RLSA-2026:49927: Moderate: fence-agents security update

RLSA-2026:49922: Important: thunderbird security update

An update is available for thunderbird.
This update affects Rocky Linux 8.
A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list

RLSA-2026:49922: Important: thunderbird security update

RLSA-2026:49857: Moderate: kernel security, bug fix, and enhancement update

An update is available for kernel.
This update affects Rocky Linux 8.
A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE list

RLSA-2026:49857: Moderate: kernel security, bug fix, and enhancement update