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Global insider Education HIGH 12h Global supply_chain Software Development and Technology HIGH 17h Global apt Government/Critical Infrastructure CRITICAL 19h Global vulnerability Enterprise Software / Data Analytics CRITICAL 20h Global vulnerability Artificial Intelligence and Technology HIGH 23h Global general Technology and Artificial Intelligence MEDIUM 1d Global general Technology and Artificial Intelligence HIGH 1d Global vulnerability Higher Education CRITICAL 1d Global data_breach Government HIGH 1d Global supply_chain Software Development and Open Source Communities CRITICAL 1d Global insider Education HIGH 12h Global supply_chain Software Development and Technology HIGH 17h Global apt Government/Critical Infrastructure CRITICAL 19h Global vulnerability Enterprise Software / Data Analytics CRITICAL 20h Global vulnerability Artificial Intelligence and Technology HIGH 23h Global general Technology and Artificial Intelligence MEDIUM 1d Global general Technology and Artificial Intelligence HIGH 1d Global vulnerability Higher Education CRITICAL 1d Global data_breach Government HIGH 1d Global supply_chain Software Development and Open Source Communities CRITICAL 1d Global insider Education HIGH 12h Global supply_chain Software Development and Technology HIGH 17h Global apt Government/Critical Infrastructure CRITICAL 19h Global vulnerability Enterprise Software / Data Analytics CRITICAL 20h Global vulnerability Artificial Intelligence and Technology HIGH 23h Global general Technology and Artificial Intelligence MEDIUM 1d Global general Technology and Artificial Intelligence HIGH 1d Global vulnerability Higher Education CRITICAL 1d Global data_breach Government HIGH 1d Global supply_chain Software Development and Open Source Communities CRITICAL 1d
Vulnerabilities

CVE-2023-4911

Critical 🇺🇸 CISA KEV ⚡ Exploit Available
GNU C Library Buffer Overflow Vulnerability — GNU C Library's dynamic loader ld.so contains a buffer overflow vulnerability when processing the GLIBC_TUNABLES environment variable, allowing a local at
Published: Nov 21, 2023  ·  Source: CISA_KEV
CVSS v3
9.0
🔗 NVD Official
📄 Description (English)

GNU C Library Buffer Overflow Vulnerability — GNU C Library's dynamic loader ld.so contains a buffer overflow vulnerability when processing the GLIBC_TUNABLES environment variable, allowing a local attacker to execute code with elevated privileges.

🤖 AI Executive Summary

GNU C Library's dynamic loader contains a buffer overflow in GLIBC_TUNABLES environment variable processing, enabling local attackers to execute arbitrary code with elevated privileges. This critical vulnerability affects all systems using vulnerable glibc versions.

📄 Description (Arabic)

ثغرة فيضان المخزن المؤقت في محمل glibc الديناميكي تسمح للمهاجمين المحليين باستخدام متغير بيئة GLIBC_TUNABLES المصنوع بعناية لتجاوز حدود المخزن المؤقت. يمكن للمهاجم تنفيذ كود عشوائي مع امتيازات مرتفعة، مما يؤدي إلى السيطرة الكاملة على النظام.

🤖 ملخص تنفيذي (AI)

مكتبة GNU C تحتوي على فيضان مخزن مؤقت في معالج متغير بيئة GLIBC_TUNABLES، مما يسمح للمهاجمين المحليين بتنفيذ أكواد عشوائية برفاهية مرتفعة. تؤثر هذه الثغرة الحرجة على جميع الأنظمة التي تستخدم إصدارات glibc الضعيفة.

🤖 AI Intelligence Analysis Analyzed: Apr 19, 2026 09:18
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: high
🏢 Affected Saudi Sectors
banking telecom energy government healthcare
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
9.0
/ 10.0
🔧 Remediation Steps (English)
Immediately update GNU C Library (glibc) to patched versions 2.34.1, 2.35.1, 2.36.1, 2.37.1 or later. Restrict environment variable passing in setuid/setgid binaries. Monitor and audit local user access. Implement principle of least privilege for system accounts.
🔧 خطوات المعالجة (العربية)
قم بتحديث مكتبة GNU C (glibc) فوراً إلى الإصدارات المصححة 2.34.1 أو 2.35.1 أو 2.36.1 أو 2.37.1 أو أحدث. قيد نقل متغيرات البيئة في الملفات الثنائية setuid/setgid. راقب وتدقق في وصول المستخدمين المحليين. طبق مبدأ أقل امتياز لحسابات النظام.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.12.6.1 A.14.2.1
🔵 SAMA CSF
ID.AM-2 PR.IP-1 PR.IP-2
🟡 ISO 27001:2022
27001:A.12.6.1 27001:A.14.2.1 27001:A.14.2.5
🔗 References & Sources 0
No references.
📦 Affected Products / CPE 1 entries
GNU:GNU C Library
📊 CVSS Score
9.0
/ 10.0 — Critical
📋 Quick Facts
Severity Critical
CVSS Score9.0
EPSS57.16%
Exploit ✓ Yes
Patch ✓ Yes
CISA KEV🇺🇸 Yes
KEV Due Date2023-12-12
Published 2023-11-21
Source Feed cisa_kev
Views 5
🇸🇦 Saudi Risk Score
9.0
/ 10.0 — Saudi Risk
Priority: CRITICAL
🏷️ Tags
kev actively-exploited
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