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Vulnerabilities

CVE-2018-25279

Medium
CWE-789 — Weakness Type
Published: Apr 26, 2026  ·  Modified: Apr 29, 2026  ·  Source: NVD
CVSS v3
6.2
🔗 NVD Official
📄 Description (English)

jiNa OCR Image to Text 1.0 contains a denial of service vulnerability that allows local attackers to crash the application by processing a malformed PNG file. Attackers can create a specially crafted PNG file with an oversized buffer and trigger the crash when the application attempts to convert the file to PDF.

🤖 AI Executive Summary

CVE-2018-25279 is a denial of service vulnerability in jiNa OCR Image to Text 1.0 that allows local attackers to crash the application through malformed PNG files. The vulnerability requires local access and no public exploit is available. While the CVSS score is medium (6.2), the impact is limited to application availability rather than data compromise.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: May 22, 2026 08:18
🇸🇦 Saudi Arabia Impact Assessment
Impact is limited to organizations using jiNa OCR Image to Text 1.0 for document processing. Potential affected sectors include: Government agencies (document digitization), Banking (check processing, document scanning), Healthcare (medical record digitization), and Legal/Corporate entities processing large volumes of scanned documents. The vulnerability requires local access, limiting exposure in typical enterprise environments. Risk is primarily operational (service disruption) rather than data breach.
🏢 Affected Saudi Sectors
Government Banking Healthcare Legal Services Corporate/Enterprise
⚖️ Saudi Risk Score (AI)
4.2
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Identify all systems running jiNa OCR Image to Text 1.0 and document their usage
2. Restrict local access to systems running this application to authorized personnel only
3. Implement file upload validation to reject malformed PNG files before processing
4. Monitor application logs for unexpected crashes or errors

Compensating Controls:
1. Implement input validation: scan PNG files with dedicated image validation tools before OCR processing
2. Deploy application sandboxing or containerization to isolate OCR processes
3. Implement file size limits and buffer overflow protections at the OS level
4. Use alternative OCR solutions with active security maintenance if available
5. Create automated detection: monitor for PNG files with oversized buffers or unusual structure

Long-term:
1. Migrate to actively maintained OCR solutions with security patches
2. Implement application whitelisting to control which tools can process documents
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. تحديد جميع الأنظمة التي تعمل بـ jiNa OCR Image to Text 1.0 وتوثيق استخدامها
2. تقييد الوصول المحلي للأنظمة التي تعمل بهذا التطبيق للموظفين المصرح لهم فقط
3. تنفيذ التحقق من صحة تحميل الملفات لرفض ملفات PNG المعيبة قبل المعالجة
4. مراقبة سجلات التطبيق للأعطال أو الأخطاء غير المتوقعة

الضوابط البديلة:
1. تنفيذ التحقق من صحة الإدخال: فحص ملفات PNG بأدوات التحقق من صحة الصور المخصصة قبل معالجة OCR
2. نشر عزل التطبيقات أو الحاويات لعزل عمليات OCR
3. تنفيذ حدود حجم الملفات وحماية تجاوز المخزن المؤقت على مستوى نظام التشغيل
4. استخدام حلول OCR بديلة مع صيانة أمان نشطة إن أمكن
5. إنشاء كشف آلي: مراقبة ملفات PNG ذات المخازن المؤقتة الكبيرة أو البنية غير العادية

المدى الطويل:
1. الهجرة إلى حلول OCR التي يتم صيانتها بنشاط مع تصحيحات الأمان
2. تنفيذ القائمة البيضاء للتطبيقات للتحكم في الأدوات التي يمكنها معالجة المستندات
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.5.1.1 - Information security policies and procedures A.8.1.1 - User access management A.12.2.1 - Change management procedures A.12.6.1 - Management of technical vulnerabilities
🔵 SAMA CSF
ID.BE-1 - Business objectives and strategies PR.IP-1 - Security policy and processes PR.IP-12 - Software, firmware, and information integrity mechanisms DE.CM-8 - Vulnerability scans
🟡 ISO 27001:2022
A.12.6.1 - Management of technical vulnerabilities A.14.2.1 - Secure development policy A.8.1.1 - User access management A.5.1.1 - Information security policies
📊 CVSS Score
6.2
/ 10.0 — Medium
📊 CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack VectorL — Low / Local
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 Medium
CVSS Score6.2
CWECWE-789
EPSS0.01%
Exploit No
Patch ✗ No
Published 2026-04-26
Source Feed nvd
Views 2
🇸🇦 Saudi Risk Score
4.2
/ 10.0 — Saudi Risk
Priority: MEDIUM
🏷️ Tags
CWE-789
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