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Vulnerabilities

CVE-2025-59464

High
A memory leak in Node.js’s OpenSSL integration occurs when converting `X.509` certificate fields to UTF-8 without freeing the allocated buffer. When applications call `socket.getPeerCertificate(true)`
CWE-400 — Weakness Type
Published: Jan 20, 2026  ·  Modified: Feb 28, 2026  ·  Source: NVD
CVSS v3
7.5
🔗 NVD Official
📄 Description (English)

A memory leak in Node.js’s OpenSSL integration occurs when converting `X.509` certificate fields to UTF-8 without freeing the allocated buffer. When applications call `socket.getPeerCertificate(true)`, each certificate field leaks memory, allowing remote clients to trigger steady memory growth through repeated TLS connections. Over time this can lead to resource exhaustion and denial of service.

🤖 AI Executive Summary

CVE-2025-59464 is a memory leak vulnerability in Node.js's OpenSSL integration affecting X.509 certificate field conversion to UTF-8. Remote attackers can trigger steady memory growth through repeated TLS connections by calling socket.getPeerCertificate(true), leading to resource exhaustion and denial of service. This vulnerability impacts any Node.js application handling TLS connections with certificate inspection, particularly critical for Saudi financial and government systems relying on Node.js backends.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: May 2, 2026 11:00
🇸🇦 Saudi Arabia Impact Assessment
This vulnerability poses significant risk to Saudi organizations in Banking (SAMA-regulated institutions, payment gateways), Government (NCA systems, e-government platforms), Telecommunications (STC, Mobily API servers), and Healthcare (SEHA systems). Node.js is widely used for API backends and microservices in these sectors. Repeated TLS connections from remote clients can exhaust server memory, causing service unavailability. Financial institutions processing certificate-based authentication are particularly vulnerable. Energy sector (ARAMCO) systems using Node.js for SCADA/ICS communications could face operational disruption.
🏢 Affected Saudi Sectors
Banking and Financial Services Government and Public Administration Telecommunications Healthcare Energy and Utilities E-commerce and Retail Education
⚖️ Saudi Risk Score (AI)
7.8
/ 10.0
🔧 Remediation Steps (English)
IMMEDIATE ACTIONS:
1. Identify all Node.js applications using socket.getPeerCertificate(true) in production environments
2. Implement connection rate limiting and monitoring for TLS connection patterns
3. Deploy memory usage alerts with thresholds set 20% below normal baseline
4. Enable verbose logging for certificate operations to detect exploitation attempts

PATCHING GUIDANCE:
1. Update Node.js to patched versions (check nodejs.org for LTS releases addressing CVE-2025-59464)
2. Test patches in staging environment with certificate-heavy workloads before production deployment
3. Prioritize patching for systems handling external TLS connections
4. Implement rolling restart strategy to minimize service disruption

COMPENSATING CONTROLS (if patching delayed):
1. Disable socket.getPeerCertificate(true) calls where possible; use getPeerCertificate(false) if certificate details not required
2. Implement connection pooling with maximum connection limits per client IP
3. Deploy reverse proxy (nginx/HAProxy) with connection throttling and certificate caching
4. Implement periodic process restart (every 4-6 hours) to clear leaked memory
5. Use container orchestration (Kubernetes) with memory limits and automatic pod restart on threshold breach

DETECTION RULES:
1. Monitor Node.js process memory growth rate exceeding 5% per hour during normal operations
2. Alert on sustained high number of TLS handshakes from single source IP (>100/minute)
3. Track socket.getPeerCertificate() call frequency and correlate with memory growth
4. Monitor for repeated certificate validation errors or parsing anomalies
5. Implement SIEM rules: EventID for memory pressure events, process handle count anomalies
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع تطبيقات Node.js التي تستخدم socket.getPeerCertificate(true) في بيئات الإنتاج
2. تنفيذ تحديد معدل الاتصال والمراقبة لأنماط اتصالات TLS
3. نشر تنبيهات استخدام الذاكرة مع عتبات محددة بنسبة 20% أقل من خط الأساس الطبيعي
4. تفعيل السجلات المفصلة لعمليات الشهادات للكشف عن محاولات الاستغلال

إرشادات التصحيح:
1. تحديث Node.js إلى الإصدارات المصححة (تحقق من nodejs.org للإصدارات LTS التي تعالج CVE-2025-59464)
2. اختبار التصحيحات في بيئة التجريب مع أحمال عمل ثقيلة من الشهادات قبل نشر الإنتاج
3. إعطاء الأولوية لتصحيح الأنظمة التي تتعامل مع اتصالات TLS الخارجية
4. تنفيذ استراتيجية إعادة تشغيل متدرجة لتقليل انقطاع الخدمة

الضوابط البديلة (إذا تأخر التصحيح):
1. تعطيل استدعاءات socket.getPeerCertificate(true) حيث أمكن؛ استخدم getPeerCertificate(false) إذا لم تكن تفاصيل الشهادة مطلوبة
2. تنفيذ تجميع الاتصالات مع حدود الاتصال القصوى لكل عنوان IP للعميل
3. نشر وكيل عكسي (nginx/HAProxy) مع تقليل الاتصالات وتخزين الشهادات مؤقتاً
4. تنفيذ إعادة تشغيل العملية الدورية (كل 4-6 ساعات) لمسح الذاكرة المسربة
5. استخدام تنسيق الحاويات (Kubernetes) مع حدود الذاكرة وإعادة تشغيل Pod التلقائية عند تجاوز العتبة

قواعد الكشف:
1. مراقبة معدل نمو ذاكرة عملية Node.js الذي يتجاوز 5% في الساعة أثناء العمليات العادية
2. التنبيه على عدد مرتفع مستمر من مصافحات TLS من عنوان IP واحد (>100/دقيقة)
3. تتبع تكرار استدعاء socket.getPeerCertificate() والربط مع نمو الذاكرة
4. مراقبة أخطاء التحقق من الشهادات المتكررة أو شذوذ التحليل
5. تنفيذ قواعد SIEM: EventID لأحداث ضغط الذاكرة، شذوذ عدد مقابض العملية
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
ECC 2024 A.12.6.1 - Management of technical vulnerabilities ECC 2024 A.12.2.1 - Change management procedures ECC 2024 A.8.2.3 - User access management and authentication ECC 2024 A.12.1.2 - Monitoring and logging of security events
🔵 SAMA CSF
SAMA CSF ID.RA-1 - Asset management and vulnerability identification SAMA CSF PR.IP-12 - System and information integrity SAMA CSF DE.CM-1 - Detection and analysis of anomalies SAMA CSF RS.MI-2 - Incident response and recovery procedures
🟡 ISO 27001:2022
ISO 27001:2022 A.12.2.1 - Change management ISO 27001:2022 A.12.6.1 - Management of technical vulnerabilities ISO 27001:2022 A.8.1.3 - Segregation of duties ISO 27001:2022 A.12.4.1 - Event logging
🟣 PCI DSS v4.0.1
PCI DSS 6.2 - Security patches and updates PCI DSS 10.2 - Logging and monitoring of access PCI DSS 12.2 - Configuration standards for system components
📦 Affected Products / CPE 1 entries
nodejs:node.js
📊 CVSS Score
7.5
/ 10.0 — High
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredN — None / Network
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityN — None / Network
IntegrityN — None / Network
AvailabilityH — High
📋 Quick Facts
Severity High
CVSS Score7.5
CWECWE-400
EPSS0.06%
Exploit No
Patch ✓ Yes
Published 2026-01-20
Source Feed nvd
Views 2
🇸🇦 Saudi Risk Score
7.8
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
CWE-400
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