Vulnerability · Published Jun 21, 2025 · Assigned by VulDB
CVE-2025-6375poco MultipartReader.cpp MultipartInputStream null pointer dereference
Low 3.3
In plain English
A low-severity null pointer dereference in poco. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 18% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Official 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.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | poco | no fix listed | DEBIAN-CVE-2025-6375 |
| Debian:13 | poco | 1.13.0-6+deb13u1 | DEBIAN-CVE-2025-6375 |
| Debian:14 | poco | 1.14.2-2 | DEBIAN-CVE-2025-6375 |
| Ubuntu:22.04:LTS | poco | no fix listed | UBUNTU-CVE-2025-6375 |
| Ubuntu:24.04:LTS | poco | no fix listed | UBUNTU-CVE-2025-6375 |
| Ubuntu:25.10 | poco | no fix listed | UBUNTU-CVE-2025-6375 |
| Ubuntu:26.04:LTS | poco | no fix listed | UBUNTU-CVE-2025-6375 |
| Ubuntu:26.10 | poco | no fix listed | UBUNTU-CVE-2025-6375 |
Affected products (as reported)
Weakness: CWE-476, CWE-404 · Vector: 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
References
- VDB-313370 | poco MultipartReader.cpp MultipartInputStream null pointer dereference vdb-entry, technical-description
- VDB-313370 | CTI Indicators (IOB, IOC, IOA) signature, permissions-required
- Submit #597446 | Applied Informatics Software Engineering GmbH poco poco 1.14.1 (commit 530c2ef) NULL Pointer Dereference third-party-advisory
- https://github.com/pocoproject/poco/issues/4915 exploit, issue-tracking
- https://github.com/user-attachments/files/19524599/poco_crash.txt exploit
- https://github.com/pocoproject/poco/commit/6f2f85913c191ab9ddfb8fae781f5d66afccf3bf exploit, patch
- https://github.com/pocoproject/poco/releases/tag/poco-1.14.2-release exploit, patch