Rocky Linux users should prioritize applying these security patches across their networks right away. The advisories cover both version 8 and version 9, fixing critical flaws in essential tools such as vim, sudo, PackageKit, and various X server components. Firefox administrators on the older platform will also get necessary updates alongside specialized utilities like fence-agents. Standard CVSS scores are attached to every notice so you can quickly assess the threat level and schedule installations accordingly.

RLSA-2026:11510: Important: vim security update
RLSA-2026:11504: Important: PackageKit security update
RLSA-2026:11388: Important: xorg-x11-server security update
RLSA-2026:10766: Important: firefox security update
RLSA-2026:11692: Important: xorg-x11-server security update
RLSA-2026:12176: Important: fence-agents security update
RLSA-2026:11656: Important: xorg-x11-server-Xwayland security update
RLSA-2026:11635: Important: PackageKit security update
RLSA-2026:11521: Important: sudo security update
RLSA-2026:11509: Important: vim security update

RLSA-2026:11510: Important: vim security update

An update is available for vim.
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-2026:11510: Important: vim security update

RLSA-2026:11504: Important: PackageKit security update

An update is available for PackageKit.
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-2026:11504: Important: PackageKit security update

RLSA-2026:11388: Important: xorg-x11-server security update

An update is available for xorg-x11-server.
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-2026:11388: Important: xorg-x11-server security update

RLSA-2026:10766: Important: firefox security update

An update is available for firefox.
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-2026:10766: Important: firefox security update

RLSA-2026:11692: Important: xorg-x11-server security update

An update is available for xorg-x11-server.
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-2026:11692: Important: xorg-x11-server security update

RLSA-2026:12176: Important: 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-2026:12176: Important: fence-agents security update

RLSA-2026:11656: Important: xorg-x11-server-Xwayland security update

An update is available for xorg-x11-server-Xwayland.
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-2026:11656: Important: xorg-x11-server-Xwayland security update

RLSA-2026:11635: Important: PackageKit security update

An update is available for PackageKit.
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-2026:11635: Important: PackageKit security update

RLSA-2026:11521: Important: sudo security update

An update is available for sudo.
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-2026:11521: Important: sudo security update

RLSA-2026:11509: Important: vim security update

An update is available for vim.
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-2026:11509: Important: vim security update