CVE-2025-15537

low-risk
Published 2026-01-18

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.

Do I need to act?

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0.03% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
5
CVSS 5.3/10 Medium
LOCAL / LOW complexity

Affected Products (1)

Mapnik

Affected Vendors

Mapnik

References (7)

https://github.com/mapnik/mapnik/
Exploit https://github.com/mapnik/mapnik/issues/4543
Product https://github.com/oneafter/1218/blob/main/repro
Permissions Required https://vuldb.com/?ctiid.341709
Third Party Advisory https://vuldb.com/?id.341709
Exploit https://vuldb.com/?submit.733348
Exploit https://github.com/mapnik/mapnik/issues/4543
23
/ 100
low-risk
Severity 18/34 · Moderate
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal