CVE-2025-15537

MEDIUM

mapnik < 4.2.0 - Heap-Based Buffer Overflow in dbf_file::string_value

Title source: llm

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.

References (6)

Core 6

Core References

Third Party Advisory, VDB Entry vdb-entry technical-description

https://vuldb.com/?id.341709

Permissions Required, VDB Entry signature permissions-required

https://vuldb.com/?ctiid.341709

Exploit, Third Party Advisory, VDB Entry third-party-advisory

https://vuldb.com/?submit.733348

Exploit, Vendor Advisory, Issue Tracking issue-tracking

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

Product exploit

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

View Writeup ZIP pw:eip

Various Sources product

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

Scores

CVSS v3 5.3

EPSS 0.0019

EPSS Percentile 8.8%

Attack Vector LOCAL

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

CISA SSVC

Vulnrichment

Exploitation poc

Automatable no

Technical Impact partial

Details

CWE

CWE-119 CWE-122 CWE-787

Status published

Products (1)

mapnik/mapnik < 4.2.0

Published Jan 18, 2026

Tracked Since Feb 18, 2026