Buffer Overflow Vulnerability in Valentina Studio by Valentina DB
CVE-2019-25567

6.9MEDIUM

Key Information:

Vendor

Valentina-db

Status
Valentina Studio
Vendor
CVE Published:
21 March 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2019-25567?

Valentina Studio version 9.0.5 for Linux is susceptible to a buffer overflow vulnerability within the Host field of its connection dialog. This flaw allows local attackers to crash the application by submitting an excessively long input string, specifically one that exceeds 264 bytes. The vulnerability can be exploited by pasting a crafted buffer into the Host field during server connection attempts, leading to a denial of service scenario.

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Affected Version(s)

Valentina Studio 9.0.5

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-2019-25567 - Proof of Concept

References

https://www.exploit-db.com/exploits/46439
exploit
https://valentina-db.com/en/
product
https://www.valentina-db.com/en/all-downloads/vstudio/cur...
product

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

Alejandra Sánchez
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