CVE-2018-25279

MEDIUM

jiNa OCR Image to Text 1.0 Denial of Service via PNG

Title source: cna
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2018-25279. PoCs published by Gionathan Reale.

AI-analyzed exploit summary This Python script generates a malformed PNG file with an oversized buffer (6000 'A' characters) to trigger a denial-of-service (DoS) crash in jiNa OCR Image to Text 1.0 when the file is processed. The exploit leverages a buffer overflow vulnerability to destabilize the application.

Description

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.

Exploits (1)

exploitdb WORKING POC
by Gionathan Reale · pythondoswindows_x86
https://www.exploit-db.com/exploits/45380

This Python script generates a malformed PNG file with an oversized buffer (6000 'A' characters) to trigger a denial-of-service (DoS) crash in jiNa OCR Image to Text 1.0 when the file is processed. The exploit leverages a buffer overflow vulnerability to destabilize the application.

Classification
Working Poc 90%
Attack Type
Dos
Complexity
Trivial
Reliability
Reliable
Target: jiNa OCR Image to Text 1.0
No auth needed
Prerequisites: Python environment · jiNa OCR Image to Text 1.0 installed on Windows 7 32-bit
devstral-2 · analyzed Apr 26, 2026 Full analysis →

References (3)

Core 3
Core References
Exploit exploit
ExploitDB-45380
https://www.exploit-db.com/exploits/45380
Product product
Product Reference
http://www.convertimagetotext.net/downloadsoftware.php
Third Party Advisory third-party-advisory
VulnCheck Advisory: jiNa OCR Image to Text 1.0 Denial of Service via PNG
https://www.vulncheck.com/advisories/jina-ocr-image-to-text-denial-of-service-via-png

Scores

CVSS v3 6.2
EPSS 0.0012
EPSS Percentile 2.4%
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-789
Status published
Products (1)
Convertimagetotext/jiNa OCR Image to Text 1.0
Published Apr 26, 2026
Tracked Since Apr 26, 2026