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Vulnerabilities

CVE-2026-7258

High
CWE-125 — Weakness Type
Published: May 10, 2026  ·  Modified: May 17, 2026  ·  Source: NVD
CVSS v3
7.5
🔗 NVD Official
📄 Description (English)

In PHP versions 8.2.* before 8.2.31, 8.3.* before 8.3.31, 8.4.* before 8.4.21, and 8.5.* before 8.5.6, some functions, including urldecode(), pass signed char to ctype functions (like isxdigit()). On the systems with default signed char and optimized table-lookup ctype functions - such as NetBSD - this can lead to accessing array with negative offset, which can trigger a denial of service.

🤖 AI Executive Summary

PHP versions 8.2 through 8.5 contain a vulnerability where urldecode() and similar functions pass signed char to ctype functions, causing negative array offsets on systems like NetBSD. This can lead to denial of service attacks affecting web applications using vulnerable PHP versions.

📄 Description (Arabic)

تحتوي إصدارات PHP 8.2 و8.3 و8.4 و8.5 على ثغرة في معالجة الأحرف الموقعة حيث تمرر دوال مثل urldecode() قيماً موقعة إلى دوال ctype. على الأنظمة التي تستخدم جداول بحث محسّنة مثل NetBSD، يمكن أن يؤدي هذا إلى الوصول إلى المصفوفات برموز سالبة. يمكن للمهاجمين استغلال هذا لتنفيذ هجمات حرمان الخدمة على تطبيقات الويب.

🤖 ملخص تنفيذي (AI)

إصدارات PHP من 8.2 إلى 8.5 تحتوي على ثغرة حيث تمرر دوال مثل urldecode() قيم char موقعة إلى دوال ctype، مما يسبب وصول سالب للمصفوفات على أنظمة مثل NetBSD. يمكن أن يؤدي هذا إلى هجمات حرمان الخدمة على تطبيقات الويب التي تستخدم إصدارات PHP المعرضة للخطر.

🤖 AI Intelligence Analysis Analyzed: May 13, 2026 00:45
🇸🇦 Saudi Arabia Impact Assessment
Saudi Relevance: high
🏢 Affected Saudi Sectors
banking telecom government healthcare
🎯 MITRE ATT&CK Techniques
⚖️ Saudi Risk Score (AI)
7.0
/ 10.0
🔧 Remediation Steps (English)
Immediately upgrade PHP to version 8.2.31, 8.3.31, 8.4.21, 8.5.6 or later. If immediate upgrade is not possible, implement input validation and sanitization for URL parameters, and consider using Web Application Firewalls to filter malicious requests. Monitor system resources for unusual denial of service patterns.
🔧 خطوات المعالجة (العربية)
قم بترقية PHP فوراً إلى الإصدار 8.2.31 أو 8.3.31 أو 8.4.21 أو 8.5.6 أو أحدث. إذا لم يكن الترقية الفورية ممكنة، قم بتطبيق التحقق من صحة المدخلات وتنظيفها لمعاملات URL، واستخدم جدران حماية تطبيقات الويب لتصفية الطلبات الضارة. راقب موارد النظام للكشف عن أنماط حرمان الخدمة غير العادية.
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.12.6.1 A.14.2.1
🔵 SAMA CSF
ID.BE-5.1 PR.IP-1.1 PR.IP-2.1
🟡 ISO 27001:2022
A.12.6.1 A.14.2.1 A.14.2.5
📦 Affected Products / CPE 4 entries
php:php
php:php
php:php
php:php
📊 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-125
EPSS0.01%
Exploit No
Patch ✗ No
Published 2026-05-10
Source Feed nvd
🇸🇦 Saudi Risk Score
7.0
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
CWE-125
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