CVE-2019-25549

MEDIUM

VeryPDF PCL Converter 2.7 Denial of Service via PDF Security

Title source: cna
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2019-25549. PoCs published by Alejandra Sánchez.

AI-analyzed exploit summary This PoC exploits a buffer overflow vulnerability in VeryPDF PCL Converter v2.7 by generating a malformed text file with a large buffer of 'A' characters. When pasted into the 'User Password' or 'Master Password' field, it triggers a crash, demonstrating a Denial of Service (DoS) condition.

Description

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.

Exploits (1)

exploitdb WORKING POC
by Alejandra Sánchez · pythondoswindows
https://www.exploit-db.com/exploits/46872

This PoC exploits a buffer overflow vulnerability in VeryPDF PCL Converter v2.7 by generating a malformed text file with a large buffer of 'A' characters. When pasted into the 'User Password' or 'Master Password' field, it triggers a crash, demonstrating a Denial of Service (DoS) condition.

Classification
Working Poc 95%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: VeryPDF PCL Converter v2.7
No auth needed
Prerequisites: VeryPDF PCL Converter v2.7 installed on Windows · ability to run Python script to generate payload
devstral-2 · analyzed Mar 21, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit exploit
ExploitDB-46872
https://www.exploit-db.com/exploits/46872
Product product
Official Product Homepage
http://www.verypdf.com
Third Party Advisory third-party-advisory
VulnCheck Advisory: VeryPDF PCL Converter 2.7 Denial of Service via PDF Security
https://www.vulncheck.com/advisories/verypdf-pcl-converter-denial-of-service-via-pdf-security

Scores

CVSS v3 6.2
EPSS 0.0012
EPSS Percentile 2.1%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation poc
Automatable no
Technical Impact partial

Details

CWE
CWE-787
Status published
Products (2)
verypdf/verypdf 2.7
Verypdf/VeryPDF PCL Converter 2.7
Published Mar 21, 2026
Tracked Since Mar 21, 2026