Denial of Service Vulnerability in jiNa OCR Image to Text by jiNa Software
CVE-2018-25279

6.9MEDIUM

Key Information:

Vendor

Convertimagetotext

Status
Jina Ocr Image To Text
Vendor
CVE Published:
26 April 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2018-25279?

jiNa OCR Image to Text version 1.0 contains a vulnerability that can lead to denial of service. Local attackers can exploit this weakness by processing specially crafted malformed PNG files containing oversized buffers, effectively crashing the application during the file conversion process to PDF. This highlights the importance of ensuring robust input validation and error handling to prevent such attacks.

Affected Version(s)

jiNa OCR Image to Text 1.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2018-25279 - Proof of Concept

References

https://www.exploit-db.com/exploits/45380
exploit
http://www.convertimagetotext.net/downloadsoftware.php
product
https://www.vulncheck.com/advisories/jina-ocr-image-to-te...
third-party-advisory

CVSS V4

Score:
6.9
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Gionathan "John" Reale
.