CVE-2025-6375: poco Null Dereference

Description

A vulnerability was found in poco up to 1.14.1. It has been rated as problematic. Affected by this issue is the function MultipartInputStream of the file Net/src/MultipartReader.cpp. The manipulation leads to null pointer dereference. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used. Upgrading to version 1.14.2 is able to address this issue. The patch is identified as 6f2f85913c191ab9ddfb8fae781f5d66afccf3bf. It is recommended to upgrade the affected component.

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CVSS v3.1 Score

3.3

LOW

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

Weakness Type (CWE)

CWE-404 CWE-404

CWE-476 CWE-476

Affected Products

Vendor	Product	Versions
pocoproject	poco	< 1.14.2

References

Advisories & Patches

https://github.com/pocoproject/poco/commit/6f2f85913c191ab9ddfb8fae781f5d66afccf3bf https://github.com/pocoproject/poco/issues/4915 https://github.com/pocoproject/poco/issues/4915

Exploits

https://github.com/pocoproject/poco/issues/4915 https://github.com/user-attachments/files/19524599/poco_crash.txt https://github.com/pocoproject/poco/issues/4915

Other References

https://github.com/pocoproject/poco/releases/tag/poco-1.14.2-release https://vuldb.com/?ctiid.313370 https://vuldb.com/?id.313370 https://vuldb.com/?submit.597446

Frequently Asked Questions

What is CVE-2025-6375? +

A vulnerability was found in poco up to 1.14.1. It has been rated as problematic. Affected by this issue is the function MultipartInputStream of the file Net/src/MultipartReader.cpp. The manipulation leads to null pointer dereference. The attack needs to be approached locally. The exploit has been disclosed to the public and may be used. Upgrading to version 1.14.2 is able to address this issue. The patch is identified as 6f2f85913c191ab9ddfb8fae781f5d66afccf3bf. It is recommended to upgrade the affected component. It has a CVSS v3.1 base score of 3.3 (LOW).

How severe is CVE-2025-6375? +

CVE-2025-6375 has a CVSS v3.1 score of 3.3 out of 10, rated LOW. This is a low-severity vulnerability with limited impact.

What products are affected by CVE-2025-6375? +

CVE-2025-6375 affects products from pocoproject, specifically: poco. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-6375? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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