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Vulnerabilities

CVE-2026-1352

Medium
CWE-1284 — Weakness Type
Published: Apr 23, 2026  ·  Modified: Apr 25, 2026  ·  Source: NVD
CVSS v3
6.5
🔗 NVD Official
📄 Description (English)

IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 for Linux, UNIX and Windows (includes Db2 Connect Server) could allow an authenticated user to cause a denial of service due to improper neutralization of special elements in data query logic.

🤖 AI Executive Summary

IBM Db2 versions 11.5.0-11.5.9 and 12.1.0-12.1.4 contain a denial of service vulnerability affecting authenticated users through improper handling of special elements in SQL queries. With a CVSS score of 6.5 and no available patch, this poses a moderate risk to organizations relying on Db2 for critical database operations. The vulnerability requires authentication, limiting exposure but still requiring immediate attention for Saudi enterprises.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: May 11, 2026 14:00
🇸🇦 Saudi Arabia Impact Assessment
Saudi banking sector (SAMA-regulated institutions) and government agencies using Db2 for core financial and administrative systems face service disruption risks. ARAMCO and energy sector organizations relying on Db2 for operational technology and business systems could experience production outages. Telecommunications providers (STC, Mobily) using Db2 for billing and customer management systems are at moderate risk. Healthcare organizations and critical infrastructure operators using affected Db2 versions require immediate assessment. The authentication requirement limits exposure to insider threats and compromised accounts.
🏢 Affected Saudi Sectors
Banking and Financial Services Government and Public Administration Energy and Utilities Telecommunications Healthcare Critical Infrastructure
⚖️ Saudi Risk Score (AI)
6.8
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Inventory all Db2 instances running versions 11.5.0-11.5.9 and 12.1.0-12.1.4 across your infrastructure
2. Implement strict access controls limiting authenticated database user privileges to minimum required permissions
3. Monitor database activity logs for suspicious query patterns and authentication anomalies
4. Restrict network access to Db2 instances using firewall rules and VPN requirements

Patching Guidance:
1. Contact IBM support for available patches or upgrade timelines for affected versions
2. Plan upgrade path to Db2 12.1.5 or later, or 11.5.10+ when available
3. Test patches in non-production environments before deployment
4. Establish maintenance windows for production systems

Compensating Controls:
1. Implement query validation and input sanitization at application layer
2. Deploy database activity monitoring (DAM) solutions to detect malicious queries
3. Use connection pooling with query timeout settings to prevent resource exhaustion
4. Enable Db2 audit logging for all authentication and query execution events
5. Implement rate limiting on database connections per user

Detection Rules:
1. Alert on failed authentication attempts followed by successful connections
2. Monitor for unusual query patterns containing special characters or SQL injection attempts
3. Track database CPU and memory spikes correlating with specific user sessions
4. Log and alert on queries with excessive execution time or resource consumption
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. قم بحصر جميع مثيلات Db2 التي تعمل بالإصدارات 11.5.0-11.5.9 و12.1.0-12.1.4 عبر البنية التحتية الخاصة بك
2. تطبيق ضوابط وصول صارمة تحد من امتيازات مستخدمي قاعدة البيانات المصرحين إلى الحد الأدنى المطلوب
3. مراقبة سجلات نشاط قاعدة البيانات للكشف عن أنماط الاستعلام المريبة والشذوذ في المصادقة
4. تقييد الوصول إلى شبكة مثيلات Db2 باستخدام قواعد جدار الحماية ومتطلبات VPN

إرشادات التصحيح:
1. اتصل بدعم IBM للحصول على التصحيحات المتاحة أو جداول ترقية الإصدارات المتأثرة
2. خطط مسار الترقية إلى Db2 12.1.5 أو أحدث، أو 11.5.10+ عند توفره
3. اختبر التصحيحات في بيئات غير الإنتاج قبل النشر
4. إنشاء نوافذ صيانة لأنظمة الإنتاج

الضوابط البديلة:
1. تطبيق التحقق من صحة الاستعلام وتطهير الإدخال على مستوى التطبيق
2. نشر حلول مراقبة نشاط قاعدة البيانات (DAM) للكشف عن الاستعلامات الضارة
3. استخدام تجميع الاتصالات مع إعدادات انتهاء انتظار الاستعلام لمنع استنزاف الموارد
4. تفعيل تسجيل تدقيق Db2 لجميع أحداث المصادقة وتنفيذ الاستعلام
5. تطبيق تحديد معدل على اتصالات قاعدة البيانات لكل مستخدم

قواعد الكشف:
1. تنبيهات محاولات المصادقة الفاشلة متبوعة بالاتصالات الناجحة
2. مراقبة أنماط الاستعلام غير العادية التي تحتوي على أحرف خاصة أو محاولات حقن SQL
3. تتبع ارتفاعات CPU والذاكرة في قاعدة البيانات المرتبطة بجلسات مستخدم محددة
4. تسجيل والتنبيه على الاستعلامات ذات وقت التنفيذ أو استهلاك الموارد المفرط
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
5.2.1 - Access Control and Authentication 5.3.1 - Logging and Monitoring 5.4.1 - Incident Response and Management 5.5.1 - System Hardening and Configuration
🔵 SAMA CSF
ID.AM-2 - Software Inventory PR.AC-1 - Access Control DE.CM-1 - System Monitoring RS.MI-1 - Incident Response
🟡 ISO 27001:2022
A.5.15 - Access Control A.8.1 - User Endpoint Devices A.12.4.1 - Event Logging A.16.1 - Incident Management
🟣 PCI DSS v4.0.1
Requirement 2.2.4 - Configure system security parameters Requirement 6.2 - Ensure security patches are installed Requirement 10.2 - Implement automated audit trails
📊 CVSS Score
6.5
/ 10.0 — Medium
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredL — Low / Local
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityN — None / Network
IntegrityN — None / Network
AvailabilityH — High
📋 Quick Facts
Severity Medium
CVSS Score6.5
CWECWE-1284
EPSS0.05%
Exploit No
Patch ✗ No
Published 2026-04-23
Source Feed nvd
🇸🇦 Saudi Risk Score
6.8
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
CWE-1284
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