CVE-2025-6375

poco MultipartReader.cpp MultipartInputStream null pointer dereference

State: Published
Severity: 4.8 Medium
Published: Jun 21, 2025
Updated: Jun 23, 2025
Reserved: Jun 19, 2025

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.

Scores

CVSS	Score	Vector	Source
4.0	4.8 Medium	CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P	VulDB
3.1	3.3 Low	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C	VulDB
3.0	3.3 Low	CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C	VulDB
2.0	1.7 Low	AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:OF/RC:C	VulDB

Weaknesses

CWE-476 NULL Pointer Dereference
CWE-404 Denial of Service

Affected Products

Product	Versions
pocon/a	1.14.0Affected 1.14.1Affected 1.14.2Not affected

References

VDB-313370 | poco MultipartReader.cpp MultipartInputStream null pointer dereferencevdb-entrytechnical-description
VDB-313370 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
Submit #597446 | Applied Informatics Software Engineering GmbH poco poco 1.14.1 (commit 530c2ef) NULL Pointer Dereferencethird-party-advisory
https://github.com/pocoproject/poco/issues/4915exploitissue-tracking
https://github.com/user-attachments/files/19524599/poco_crash.txtexploit
https://github.com/pocoproject/poco/commit/6f2f85913c191ab9ddfb8fae781f5d66afccf3bfexploitpatch
https://github.com/pocoproject/poco/releases/tag/poco-1.14.2-releaseexploitpatch

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