Rocky Linux 9 received an important security update that patches multiple vulnerabilities in Ruby 3.3, specifically targeting the mysql2 gem. Administrators managing Rocky Linux 8 must apply a critical patch for Nginx version 1.24 to address similar risks. The official errata pages provide detailed CVSS ratings for every identified flaw so teams can prioritize their response effectively. System owners should install these updates immediately to maintain proper server hardening across both distributions.

RLSA-2026:18030: Important: ruby:3.3 security update
RLSA-2026:18041: Critical: nginx:1.24 security update

RLSA-2026:18030: Important: ruby:3.3 security update

An update is available for module.rubygem-mysql2, rubygem-mysql2.
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-2026:18030: Important: ruby:3.3 security update

RLSA-2026:18041: Critical: nginx:1.24 security update

An update is available for module.nginx, nginx.
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-2026:18041: Critical: nginx:1.24 security update