📄 Description (English)
Vulnerability in the MySQL Server product of Oracle MySQL (component: Server: Optimizer). Supported versions that are affected are 8.0.0-8.0.45, 8.4.0-8.4.8 and 9.0.0-9.6.0. Easily exploitable vulnerability allows low privileged attacker with network access via multiple protocols to compromise MySQL Server. Successful attacks of this vulnerability can result in unauthorized ability to cause a hang or frequently repeatable crash (complete DOS) of MySQL Server. CVSS 3.1 Base Score 6.5 (Availability impacts). CVSS Vector: (CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H).
🤖 AI Executive Summary
A medium-severity denial-of-service vulnerability exists in Oracle MySQL Server's Optimizer component affecting versions 8.0.0-8.0.45, 8.4.0-8.4.8, and 9.0.0-9.6.0. An authenticated attacker with low privileges can remotely trigger server hangs or crashes via multiple protocols, causing complete service unavailability. No patch is currently available, requiring immediate compensating controls and monitoring.
📄 Description (Arabic)
🤖 AI Intelligence Analysis Analyzed: May 11, 2026 23:19
🇸🇦 Saudi Arabia Impact Assessment
Saudi organizations heavily dependent on MySQL for critical operations face significant availability risks. Most impacted sectors include: Banking and Financial Services (SAMA-regulated institutions relying on MySQL for transaction processing), Government agencies (NCA oversight), Healthcare providers (SEHA and private hospitals), Telecommunications (STC, Mobily, Zain), and Energy sector (ARAMCO subsidiaries). E-commerce and retail sectors using MySQL for inventory and customer databases are also vulnerable. The authentication requirement limits exposure but internal threats and compromised accounts pose substantial risk.
🏢 Affected Saudi Sectors
Banking and Financial Services
Government and Public Administration
Healthcare and Medical Services
Telecommunications
Energy and Utilities
E-commerce and Retail
Education
Manufacturing
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
7.2
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Identify all MySQL instances running affected versions (8.0.0-8.0.45, 8.4.0-8.4.8, 9.0.0-9.6.0) across your infrastructure
2. Restrict network access to MySQL ports (3306, 33060) to authorized applications and users only
3. Implement strict authentication controls and disable unnecessary user accounts
4. Enable query timeout settings to prevent indefinite hangs
Compensating Controls (until patch available):
5. Deploy database activity monitoring (DAM) to detect suspicious query patterns
6. Implement connection pooling with connection limits to prevent resource exhaustion
7. Configure automated restart mechanisms for crashed MySQL instances
8. Apply network segmentation to isolate MySQL servers from untrusted networks
9. Enable audit logging for all database connections and queries
10. Implement rate limiting on query execution
Detection Rules:
- Monitor for repeated connection attempts from low-privileged accounts
- Alert on queries with excessive complexity or resource consumption
- Track MySQL service restarts and unexpected downtime events
- Monitor for connection spikes from internal applications
Patching Strategy:
- Subscribe to Oracle Critical Patch Updates (CPU) for patch availability
- Prepare upgrade path to patched versions when available
- Test patches in non-production environments first
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع خوادم MySQL التي تعمل بالإصدارات المتأثرة (8.0.0-8.0.45، 8.4.0-8.4.8، 9.0.0-9.6.0) عبر البنية التحتية
2. تقييد الوصول الشبكي إلى منافذ MySQL (3306، 33060) للتطبيقات والمستخدمين المصرح لهم فقط
3. تطبيق ضوابط مصادقة صارمة وتعطيل حسابات المستخدمين غير الضرورية
4. تفعيل إعدادات انتظار الاستعلام لمنع التعليق غير المحدود
الضوابط التعويضية (حتى توفر التصحيح):
5. نشر مراقبة نشاط قاعدة البيانات (DAM) للكشف عن أنماط الاستعلامات المريبة
6. تطبيق تجميع الاتصالات مع حدود الاتصال لمنع استنزاف الموارد
7. تكوين آليات إعادة تشغيل تلقائية لخوادم MySQL المتعطلة
8. تطبيق تقسيم الشبكة لعزل خوادم MySQL عن الشبكات غير الموثوقة
9. تفعيل تسجيل التدقيق لجميع اتصالات قاعدة البيانات والاستعلامات
10. تطبيق تحديد معدل تنفيذ الاستعلام
قواعد الكشف:
- مراقبة محاولات الاتصال المتكررة من حسابات منخفضة الامتيازات
- تنبيهات الاستعلامات ذات التعقيد الزائد أو استهلاك الموارد
- تتبع إعادة تشغيل خدمة MySQL والتوقف غير المتوقع
- مراقبة ارتفاع الاتصالات من التطبيقات الداخلية
استراتيجية التصحيح:
- الاشتراك في تحديثات Oracle الحرجة (CPU) لتوفر التصحيحات
- تحضير مسار الترقية للإصدارات المصححة عند توفرها
- اختبار التصحيحات في بيئات غير الإنتاج أولاً
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.12.1.1 - Information security policies and procedures
ECC 2024 A.12.4.1 - Event logging and monitoring
ECC 2024 A.12.6.1 - Management of technical vulnerabilities
ECC 2024 A.13.1.3 - Segregation of networks
🔵 SAMA CSF
SAMA CSF ID.BE-1 - Business Environment
SAMA CSF PR.AC-1 - Access Control
SAMA CSF DE.CM-1 - Detection and Analysis
SAMA CSF RS.MI-1 - Incident Response
🟡 ISO 27001:2022
ISO 27001:2022 A.5.23 - Information security for supplier relationships
ISO 27001:2022 A.8.1 - User endpoint devices
ISO 27001:2022 A.8.2 - Privileged access rights
ISO 27001:2022 A.8.3 - Information access restriction
ISO 27001:2022 A.12.2 - Logging
ISO 27001:2022 A.12.6 - Management of technical vulnerabilities
🟣 PCI DSS v4.0.1
PCI DSS 6.2 - Security patches and updates
PCI DSS 8.1 - User identification and authentication
PCI DSS 10.2 - Logging and monitoring
🔗 References & Sources 1