Moderate Vulnerability in MySQL Package: Security Update Required
Summary
ALSA-2026:6391: Moderate: mysql:8.4 security update. Affects mecab versions < 0.996-2.module_el8.10.0+4060+d4256e26. Fixed in 0.996-2.module_el8.10.0+4060+d4256e26. How to fix ↓
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Background
MySQL is a widely-used multi-user, multi-threaded SQL database server that includes the MySQL server daemon (mysqld) and various client programs and libraries. It is known for its reliability, performance, and ease of use, making it a popular choice for web applications and data management. However, recent vulnerabilities have been identified that could potentially compromise the security of systems using MySQL.
Vulnerability Detail
The vulnerabilities identified in MySQL include unspecified issues within the optimizer, InnoDB, DDL, and thread pooling components. These vulnerabilities could allow an attacker to exploit weaknesses in the database management system, potentially leading to unauthorized access, data manipulation, or denial of service. The vulnerabilities were disclosed in the January 2026 CPU and are tracked under multiple CVEs, including CVE-2026-21936, CVE-2026-21937, CVE-2026-21941, CVE-2026-21948, CVE-2026-21964, and CVE-2026-21968.
How To Fix
Minimum fixed version
0.996-2.module_el8.10.0+4060+d4256e26
This is the first release that contains the fix.
sudo dnf update mecabTip — Not sure which version your app runs? Vulert can match this fix to it. Scan free →
Workaround
As a temporary workaround, you may consider restricting access to the MySQL server by configuring firewall rules to limit connections only to trusted IP addresses. However, this is not a substitute for applying the necessary updates.
Conclusion
In summary, the recent vulnerabilities in MySQL pose a moderate risk to systems utilizing this database management system. It is crucial to apply the necessary updates to mitigate these risks and ensure the security of your data. Regular monitoring and prompt action are essential to maintaining a secure environment.
See every vulnerability recorded for mecab →
FAQ
The vulnerabilities are unspecified issues within various components of MySQL, including the optimizer and InnoDB, which could lead to security breaches.
You can use Vulert's playground at Vulert Scanner to check if your application is affected by this vulnerability without needing to sign up.
Failure to address these vulnerabilities could result in unauthorized access to your database, data loss, or service disruptions.
Yes, Vulert can monitor and alert you in real-time for open-source vulnerabilities using just a manifest file like package-lock.json.
If immediate updates are not possible, consider implementing strict access controls and monitoring for unusual activity as a temporary measure.
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