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CVE

CWE

Training

CVE-2025-15537

Published: Jan 18, 2026

Modified: Feb 23, 2026

PUBLISHED

CVSS v3.1

5.3

MEDIUM

Description

A security vulnerability has been detected in Mapnik up to 4.2.0. This issue affects the function mapnik::dbf_file::string_value of the file plugins/input/shape/dbfile.cpp. Such manipulation leads to heap-based buffer overflow. The attack must be carried out locally. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Vendor	Product	Versions
n/a	Mapnik	affected `4.0` affected `4.1` affected `4.2.0`

Weaknesses (CWE)

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L/E:P/RL:X/RC:R

Attack Vector

Local

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

References

VDB-341709 | Mapnik dbfile.cpp string_value heap-based overflow

vdb-entry

technical-description

VDB-341709 | CTI Indicators (IOB, IOC, IOA)

signature

permissions-required

Submit #733348 | mapnik Mapnik v4.2.0 and master-branch Heap-based Buffer Overflow

third-party-advisory

https://github.com/mapnik/mapnik/issues/4543

issue-tracking

https://github.com/oneafter/1218/blob/main/repro

exploit

https://github.com/mapnik/mapnik/

product

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