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Vulnerabilities

CVE-2025-36122

Medium
CWE-770 — Weakness Type
Published: Apr 30, 2026  ·  Modified: May 3, 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 12.1.3 for Linux, UNIX and Windows (includes DB2 Connect Server) could allow an authenticated user to cause a denial of service using a specially crafted SQL query due to improper allocation of system resources.

🤖 AI Executive Summary

IBM Db2 versions 11.5.0-11.5.9 and 12.1.0-12.1.3 are vulnerable to denial of service attacks via specially crafted SQL queries due to improper resource allocation. An authenticated attacker can exhaust system resources, causing database unavailability. While no public exploit exists and patches are not yet available, this vulnerability poses significant risk to organizations relying on Db2 for critical operations.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: May 11, 2026 05:00
🇸🇦 Saudi Arabia Impact Assessment
Saudi banking sector (SAMA-regulated institutions) and government agencies using Db2 for core transaction processing face significant operational risk. ARAMCO and energy sector organizations relying on Db2 for SCADA/industrial systems could experience critical service disruptions. Telecom operators (STC, Mobily) using Db2 for billing and customer management systems are at risk. Healthcare organizations using Db2 for patient records and hospital information systems could face service outages. The impact is amplified in Saudi Arabia where many critical infrastructure systems depend on Db2 for 24/7 operations.
🏢 Affected Saudi Sectors
Banking and Financial Services Government and Public Administration Energy and Utilities Healthcare Telecommunications Insurance Large Enterprise IT
⚖️ Saudi Risk Score (AI)
7.2
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all Db2 instances running versions 11.5.0-11.5.9 or 12.1.0-12.1.3 across your infrastructure
2. Implement strict database access controls limiting authenticated user privileges to minimum required
3. Monitor Db2 error logs and system resource utilization for anomalous SQL query patterns
4. Restrict database connectivity to trusted applications and users only

COMPENSATING CONTROLS (until patch available):
5. Implement query timeout settings at database level to prevent long-running queries
6. Configure resource governor/workload management to limit CPU and memory per session
7. Deploy database activity monitoring (DAM) to detect and block suspicious SQL patterns
8. Implement rate limiting on database connections from application servers
9. Set up alerts for abnormal resource consumption spikes

DETECTION RULES:
10. Monitor for SQL queries with excessive nested operations or cartesian products
11. Alert on sessions consuming >80% of allocated memory or CPU
12. Track failed query executions and resource exhaustion events in db2diag.log
13. Implement IDS/IPS rules to detect malformed SQL injection attempts

PATCHING STRATEGY:
14. Subscribe to IBM security bulletins for patch availability
15. Plan upgrade path to versions beyond 11.5.9 or 12.1.3 when patches release
16. Test patches in non-production environment before deployment
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع نسخ Db2 التي تعمل بالإصدارات 11.5.0-11.5.9 أو 12.1.0-12.1.3 عبر البنية التحتية
2. تطبيق ضوابط وصول صارمة لقاعدة البيانات تقصر امتيازات المستخدم المصرح على الحد الأدنى المطلوب
3. مراقبة سجلات أخطاء Db2 واستخدام موارد النظام للكشف عن أنماط استعلامات SQL غير طبيعية
4. تقييد اتصالات قاعدة البيانات بالتطبيقات والمستخدمين الموثوقين فقط

الضوابط البديلة (حتى توفر التصحيح):
5. تطبيق إعدادات انتهاء انتظار الاستعلام على مستوى قاعدة البيانات لمنع الاستعلامات طويلة الأجل
6. تكوين مدير الموارد/إدارة عبء العمل لتحديد CPU والذاكرة لكل جلسة
7. نشر مراقبة نشاط قاعدة البيانات (DAM) للكشف عن أنماط SQL المريبة وحجبها
8. تطبيق تحديد معدل الاتصال بقاعدة البيانات من خوادم التطبيقات
9. إعداد تنبيهات لارتفاعات استهلاك الموارد غير الطبيعية

قواعد الكشف:
10. مراقبة استعلامات SQL ذات العمليات المتداخلة المفرطة أو المنتجات الديكارتية
11. تنبيه الجلسات التي تستهلك >80% من الذاكرة أو CPU المخصصة
12. تتبع الاستعلامات الفاشلة وأحداث استنزاف الموارد في db2diag.log
13. تطبيق قواعد IDS/IPS للكشف عن محاولات حقن SQL المشوهة

استراتيجية التصحيح:
14. الاشتراك في نشرات أمان IBM لتوفر التصحيحات
15. التخطيط لمسار الترقية إلى إصدارات تتجاوز 11.5.9 أو 12.1.3 عند إصدار التصحيحات
16. اختبار التصحيحات في بيئة غير الإنتاج قبل النشر
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
5.1 - Access Control and Authentication 5.2 - User Access Management 6.1 - Availability and Resilience 6.2 - Business Continuity Management 7.1 - Monitoring and Logging 7.2 - Security Event Management
🔵 SAMA CSF
ID.BE-5 - Resilience Planning PR.AC-1 - Access Control PR.AC-4 - Access Rights Management DE.AE-1 - Anomalies and Events Detection DE.CM-1 - System Monitoring RS.MI-1 - Incident Response Mitigation
🟡 ISO 27001:2022
A.5.1.1 - Policies for information security A.6.1.1 - Information security roles and responsibilities A.8.1.1 - User endpoint devices A.8.2.1 - User access management A.8.3.1 - Access control A.12.4.1 - Event logging A.16.1.1 - Incident management planning and preparation
🟣 PCI DSS v4.0.1
Requirement 1 - Firewall Configuration Requirement 2 - Default Passwords Requirement 6 - Secure Development Requirement 8 - User Access Management Requirement 10 - Logging and Monitoring Requirement 12 - Security Policy
📦 Affected Products / CPE 6 entries
ibm:db2
ibm:db2
ibm:db2
ibm:db2
ibm:db2
ibm:db2
📊 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-770
EPSS0.05%
Exploit No
Patch ✗ No
Published 2026-04-30
Source Feed nvd
🇸🇦 Saudi Risk Score
7.2
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
CWE-770
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