CVE-2025-15537
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.
SeverityMedium
CVSS5.3
Exploit probability—
ProductMapnik
PublishedJan 18, 2026
First seenJan 18, 2026
Weakness typeCWE-122CWE-122CWE-119Memory buffer bounds error
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| mapnik mapnik | v ≤ 4.2.0 | — |
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