📧 info@ciso.sa | 📱 +966550939344 | Riyadh, Kingdom of Saudi Arabia
🔧 Scheduled Maintenance — Saturday 2:00-4:00 AM AST. Some features may be temporarily unavailable.    ●   
💎
Pro Plan 50% Off Unlock all AI features, unlimited reports, and priority support. Upgrade
Search Center
ESC to close
Global vulnerability Technology and Software Development HIGH 1h Global vulnerability Government and Federal Agencies CRITICAL 1h Global supply_chain Software Development and Open-Source Ecosystems HIGH 2h Global vulnerability Enterprise Software/SaaS MEDIUM 2h Global supply_chain Software Development HIGH 3h Global general Insurance/Risk Management HIGH 3h Global data_breach Enterprise Software / Information Technology CRITICAL 4h Global vulnerability Technology/Software CRITICAL 6h Global malware Social Media and Consumer Technology HIGH 6h Global botnet Information Technology and IoT HIGH 6h Global vulnerability Technology and Software Development HIGH 1h Global vulnerability Government and Federal Agencies CRITICAL 1h Global supply_chain Software Development and Open-Source Ecosystems HIGH 2h Global vulnerability Enterprise Software/SaaS MEDIUM 2h Global supply_chain Software Development HIGH 3h Global general Insurance/Risk Management HIGH 3h Global data_breach Enterprise Software / Information Technology CRITICAL 4h Global vulnerability Technology/Software CRITICAL 6h Global malware Social Media and Consumer Technology HIGH 6h Global botnet Information Technology and IoT HIGH 6h Global vulnerability Technology and Software Development HIGH 1h Global vulnerability Government and Federal Agencies CRITICAL 1h Global supply_chain Software Development and Open-Source Ecosystems HIGH 2h Global vulnerability Enterprise Software/SaaS MEDIUM 2h Global supply_chain Software Development HIGH 3h Global general Insurance/Risk Management HIGH 3h Global data_breach Enterprise Software / Information Technology CRITICAL 4h Global vulnerability Technology/Software CRITICAL 6h Global malware Social Media and Consumer Technology HIGH 6h Global botnet Information Technology and IoT HIGH 6h
Vulnerabilities

CVE-2026-5950

Medium
CWE-606 — Weakness Type
Published: May 20, 2026  ·  Modified: May 23, 2026  ·  Source: NVD
CVSS v3
5.3
🔗 NVD Official
📄 Description (English)

An unbounded resend loop vulnerability exists in the BIND 9 resolver state machine during bad-server handling, enabling a remote unauthenticated attacker to cause severe resource exhaustion by sending queries that trigger specific retry conditions.
This issue affects BIND 9 versions 9.18.36 through 9.18.48, 9.20.8 through 9.20.22, 9.21.7 through 9.21.21, 9.18.36-S1 through 9.18.48-S1, and 9.20.9-S1 through 9.20.22-S1.

🤖 AI Executive Summary

CVE-2026-5950 is an unbounded resend loop vulnerability in BIND 9 DNS resolver that allows remote attackers to cause resource exhaustion through specially crafted queries triggering retry conditions. The vulnerability affects multiple BIND 9 versions and can lead to denial of service on affected DNS infrastructure.

📄 Description (Arabic)

ثغرة CVE-2026-5950 تؤثر على حالة آلة محلل BIND 9 أثناء معالجة الخوادم السيئة، مما يسمح بحلقة إعادة إرسال غير محدودة عند استقبال استعلامات معينة. يمكن للمهاجمين البعيدين استغلال هذه الثغرة لإرسال استعلامات DNS مصممة خصيصاً لتحفيز ظروف إعادة المحاولة وإرهاق موارد النظام. هذا يؤدي إلى رفض الخدمة على خوادم DNS المتأثرة.

🤖 ملخص تنفيذي (AI)

CVE-2026-5950 هي ثغرة حلقة إعادة إرسال غير محدودة في محلل BIND 9 DNS تسمح للمهاجمين البعيدين بإرهاق الموارد من خلال استعلامات مصممة خصيصاً تؤدي إلى ظروف إعادة المحاولة. تؤثر الثغرة على إصدارات BIND 9 المتعددة وقد تؤدي إلى رفض الخدمة على البنية التحتية لـ DNS المتأثرة.

🤖 AI Intelligence Analysis Analyzed: May 30, 2026 03:00
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: high
🏢 Affected Saudi Sectors
telecom government banking energy
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
7.0
/ 10.0
🔧 Remediation Steps (English)
Update BIND 9 to patched versions: 9.18.49 or later, 9.20.23 or later, 9.21.22 or later, or corresponding -S1 versions. Implement rate limiting on DNS queries, monitor resolver resource usage, and restrict DNS query sources where possible. Apply vendor security patches immediately.
🔧 خطوات المعالجة (العربية)
تحديث BIND 9 إلى الإصدارات المصححة: 9.18.49 أو أحدث، 9.20.23 أو أحدث، 9.21.22 أو أحدث، أو الإصدارات -S1 المقابلة. تطبيق تحديد معدل الاستعلامات، مراقبة استخدام موارد المحلل، وتقييد مصادر استعلامات DNS حيث أمكن. تطبيق تصحيحات الأمان من المورد فوراً.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
5.1 5.2 6.1
🔵 SAMA CSF
ID.BE-5 PR.DS-6 DE.CM-1
🟡 ISO 27001:2022
A.12.6.1 A.13.1.1 A.13.1.3
📦 Affected Products / CPE 3 entries
isc:bind
isc:bind
isc:bind
📊 CVSS Score
5.3
/ 10.0 — Medium
📊 CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Attack VectorN — None / Network
Attack ComplexityL — Low / Local
Privileges RequiredN — None / Network
User InteractionN — None / Network
ScopeU — Unchanged
ConfidentialityN — None / Network
IntegrityN — None / Network
AvailabilityL — Low / Local
📋 Quick Facts
Severity Medium
CVSS Score5.3
CWECWE-606
EPSS0.14%
Exploit No
Patch ✗ No
Published 2026-05-20
Source Feed nvd
🇸🇦 Saudi Risk Score
7.0
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
CWE-606
Share this CVE
📣 Found this valuable?
Share it with your cybersecurity network
in LinkedIn 𝕏 X / Twitter 💬 WhatsApp ✈ Telegram
🍪 Privacy Preferences
CISO Consulting — Compliant with Saudi Personal Data Protection Law (PDPL)
We use cookies and similar technologies to provide the best experience on our platform. You can choose which types you accept.
🔒
Essential Always On
Required for the website to function properly. Cannot be disabled.
📋 Sessions, CSRF tokens, authentication, language preferences
📊
Analytics
Help us understand how visitors use the site and improve performance.
📋 Page views, session duration, traffic sources, performance metrics
⚙️
Functional
Enable enhanced features like content personalization and preferences.
📋 Dark/light theme, font size, custom dashboards, saved filters
📣
Marketing
Used to deliver content and ads relevant to your interests.
📋 Campaign tracking, retargeting, social media analytics
Privacy Policy →
CISO AI Assistant
Ask anything · Documents · Support
🔐

Introduce Yourself

Enter your details to access the full assistant

Your info is private and never shared
💬
CyberAssist
Online · responds in seconds
5 / 5
🔐 Verify Your Identity

Enter your email to receive a verification code before submitting a support request.

Enter to send · / for commands 0 / 2000
CISO AI · Powered by Anthropic Claude
✦ Quick Survey Help Us Improve CISO Consulting Your feedback shapes the future of our platform — takes less than 2 minutes.
⚠ Please answer this question to continue

How would you rate your overall experience with our platform?

Rate from 1 (poor) to 5 (excellent)

🎉
Thank you!
Your response has been recorded.