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Vulnerabilities

CVE-2019-25549

Medium
VeryPDF PCL Converter 2.7 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long password string. Attackers can trigger a buff
CWE-787 — Weakness Type
Published: Mar 21, 2026  ·  Modified: Mar 24, 2026  ·  Source: NVD
CVSS v3
6.2
🔗 NVD Official
📄 Description (English)

VeryPDF PCL Converter 2.7 contains a denial of service vulnerability that allows local attackers to crash the application by supplying an excessively long password string. Attackers can trigger a buffer overflow by entering a 3000-byte password in the PDF Security encryption fields, causing the application to crash when processing PCL files.

🤖 AI Executive Summary

CVE-2019-25549 is a denial of service vulnerability in VeryPDF PCL Converter 2.7 that allows local attackers to crash the application through buffer overflow via excessively long password strings (3000+ bytes) in PDF security fields. With no available patch and no public exploit, the risk is moderate but requires immediate mitigation for organizations using this legacy software. The vulnerability affects document processing workflows and could disrupt business operations in sectors relying on PCL-to-PDF conversion.

📄 Description (Arabic)

🤖 AI Intelligence Analysis Analyzed: May 22, 2026 16:19
🇸🇦 Saudi Arabia Impact Assessment
Organizations in Saudi Arabia using VeryPDF PCL Converter 2.7 face operational disruption risks, particularly in: Government agencies (NCA, CITC) processing official documents; Banking sector (SAMA-regulated institutions) handling secure PDF conversions; Healthcare facilities (MOH) managing patient records; Energy sector (ARAMCO, utilities) processing technical documentation; Telecom operators (STC, Mobily) managing billing documents. The local-only attack vector limits external threat exposure but poses significant insider threat risk in multi-user environments.
🏢 Affected Saudi Sectors
Government Banking Healthcare Energy Telecommunications Document Management Services
⚖️ Saudi Risk Score (AI)
5.8
/ 10.0
🔧 Remediation Steps (English)
Immediate Actions:
1. Inventory all systems running VeryPDF PCL Converter 2.7 across the organization
2. Restrict local access to the application through file permissions and user access controls
3. Implement application whitelisting to prevent unauthorized execution
4. Monitor for suspicious process crashes and buffer overflow attempts

Compensating Controls:
1. Disable PDF password encryption features if not critical to operations
2. Implement input validation at the application wrapper level to reject passwords exceeding 256 characters
3. Run the application in sandboxed environments with resource limits
4. Use alternative document conversion tools (LibreOffice, GhostScript) for critical workflows
5. Implement file integrity monitoring on PCL input files

Detection Rules:
1. Monitor for VeryPDF process crashes with exit codes indicating buffer overflow
2. Alert on file access attempts with unusually long password parameters
3. Track application error logs for 'buffer overflow' or 'stack corruption' messages
4. Monitor system calls for abnormal memory access patterns during PDF conversion

Long-term:
1. Plan migration to maintained document conversion solutions
2. Evaluate commercial alternatives with active security support
🔧 خطوات المعالجة (العربية)
الإجراءات الفورية:
1. حصر جميع الأنظمة التي تقوم بتشغيل VeryPDF PCL Converter 2.7 في المنظمة
2. تقييد الوصول المحلي للتطبيق من خلال أذونات الملفات وعناصر التحكم في الوصول للمستخدمين
3. تنفيذ قائمة بيضاء للتطبيقات لمنع التنفيذ غير المصرح به
4. مراقبة محاولات تعطل العمليات والاستغلال المريب

عناصر التحكم التعويضية:
1. تعطيل ميزات تشفير كلمات مرور PDF إذا لم تكن حرجة للعمليات
2. تنفيذ التحقق من صحة الإدخال على مستوى التطبيق لرفض كلمات المرور التي تتجاوز 256 حرفاً
3. تشغيل التطبيق في بيئات معزولة مع حدود الموارد
4. استخدام أدوات تحويل مستندات بديلة (LibreOffice، GhostScript) لسير العمل الحرج
5. تنفيذ مراقبة سلامة الملفات على ملفات إدخال PCL

قواعد الكشف:
1. مراقبة تعطل عملية VeryPDF مع رموز الخروج التي تشير إلى تجاوز المخزن المؤقت
2. التنبيه على محاولات الوصول إلى الملفات بمعاملات كلمات مرور طويلة بشكل غير عادي
3. تتبع سجلات أخطاء التطبيق للرسائل المتعلقة بـ 'تجاوز المخزن المؤقت' أو 'تلف المكدس'
4. مراقبة استدعاءات النظام للأنماط غير الطبيعية في الوصول إلى الذاكرة أثناء تحويل PDF

المدى الطويل:
1. التخطيط للهجرة إلى حلول تحويل المستندات المدعومة
2. تقييم البدائل التجارية مع دعم الأمان النشط
📋 Regulatory Compliance Mapping
🟢 NCA ECC 2024
A.12.6.1 - Management of technical vulnerabilities A.14.2.1 - Secure development policy A.12.2.1 - Monitoring of system use
🔵 SAMA CSF
ID.RA-1 - Asset management and vulnerability identification PR.IP-12 - Software development and acquisition security DE.CM-1 - System monitoring and anomaly detection
🟡 ISO 27001:2022
A.12.6.1 - Management of technical vulnerabilities A.14.2.1 - Secure development policy A.12.2.1 - Monitoring of system use
📊 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-787
Exploit No
Patch ✗ No
Published 2026-03-21
Source Feed nvd
Views 4
🇸🇦 Saudi Risk Score
5.8
/ 10.0 — Saudi Risk
Priority: HIGH
🏷️ Tags
CWE-787
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