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Alerts This Week
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Fedora 43 MySQL 8.4 Critical DoS Threat Vulnerability 2026-280245e2ea

fedora
Calendar Grey July 2, 2026
Dist Fedora Esm H88
Oracle's critical security patch for Fedora ensures MySQL 8.4.10 stays secured against DoS attacks.
MySQL 8.4.10 Release notes: https://dev.mysql.com/doc/relnotes/mysql/8.4/en/news-8-4-10.html Upstream changelog: https://dev.mysql.com/doc/relnotes/mysql/8.4/en/

Summary

MySQL is a multi-user, multi-threaded SQL database server. MySQL is a

client/server implementation consisting of a server daemon (mysqld)

and many different client programs and libraries. The base package

contains the standard MySQL client programs and generic MySQL files.

Update Information:

MySQL 8.4.10 Release notes: https://dev.mysql.com/doc/relnotes/mysql/8.4/en/news-8-4-10.html Upstream changelog: https://dev.mysql.com/doc/relnotes/mysql/8.4/en/ Oracle Critical Security Patch Update - June 2026: https://www.oracle.com/security-alerts/cspujun2026.html#AppendixMSQL CVE-2026-46863 (CVSS 7.5) - Server: Connection Handling The only CVE from the June 2026 CPU affecting the 'mysql8.4' package. Remotely exploitable without authentication (DoS). The remaining 7 CVEs affect MySQL Shell (VS Code extension), MySQL Router, and NDB Cluster Operator — none of which are built or shipped by this package.

Topics%20covered

Topics Covered

security advisory denial of service fedora critical mysql8.4 2026-280245e2ea

Change Log

* Tue Jun 23 2026 Michal Schorm - 8.4.10-1 - Rebase to 8.4.10

References


[ 1 ] Bug #2489372 - mysql8.4-8.4.10 is available https://bugzilla.redhat.com/show_bug.cgi?id=2489372

Update Instructions

This update can be installed with the "dnf" update program. Use su -c 'dnf upgrade --advisory FEDORA-2026-280245e2ea' at the command line. For more information, refer to the dnf documentation available at http://dnf.readthedocs.io/en/latest/command_ref.html#upgrade-command-label

Severity
critical
Lowest
Low
Medium
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Critical

Name: mysql8.4
Product: Fedora 43
Version: 8.4.10
Release: 1.fc43
URL: http://www.mysql.com
Summary: MySQL client programs and shared libraries

Topics%20covered

Topics Covered

security advisory denial of service fedora critical mysql8.4 2026-280245e2ea

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