Null Pointer Dereference in Poco v1.14.1 by Applied Informatics
CVE-2025-6375

4.8MEDIUM

Key Information:

Vendor

Applied Informatics

Status
Poco
Vendor
CVE Published:
21 June 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-6375?

A vulnerability has been identified in Poco versions up to 1.14.1, specifically within the MultipartInputStream function in the MultipartReader.cpp file. This issue allows for a null pointer dereference, which can lead to unexpected application behavior. The exploit requires local access to the affected application, and details of the vulnerability have been publicly disclosed, allowing potential misuse. To mitigate the risks associated with this vulnerability, users are strongly advised to upgrade to version 1.14.2, which includes an essential patch addressing this issue.

Affected Version(s)

poco 1.14.0

poco 1.14.1

poco 1.14.2

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-2025-6375 - Proof of Concept

CVE-2025-6375 - Proof of Concept

CVE-2025-6375 - Proof of Concept

References

https://vuldb.com/?id.313370
vdb-entrytechnical-description
https://vuldb.com/?ctiid.313370
signaturepermissions-required
https://vuldb.com/?submit.597446
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
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

JJLeo (VulDB User)
.
CVE-2025-6375 : Null Pointer Dereference in Poco v1.14.1 by Applied Informatics