Vulnerability in Mapnik
CVE-2025-15564
A vulnerability has been found in Mapnik up to 4.2.0. This vulnerability affects the function mapnik::detail::mod<...>::operator of the file src/value.cpp. The manipulation leads to divide by zero. The attack needs to be performed locally. The exploit has been disclosed to the public and may be used. The project was informed of the problem early through an issue report but has not responded yet.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 3.3 (Low). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.002 (10.8th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 11th percentile — 10.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: +0.000
Affected products
- Mapnik
- Mapnik — versions 4.0, 4.1, 4.2.0
Weakness classification (CWE)
References
- vuldb.com/ (technical-description, VDB Entry, Third Party Advisory, vdb-entry)
- vuldb.com/ (signature, Permissions Required, permissions-required, VDB Entry)
- vuldb.com/ (VDB Entry, Third Party Advisory, third-party-advisory)
- github.com/mapnik/mapnik/issues/4545 (issue-tracking, Exploit, Issue Tracking)
- github.com/oneafter/1219/blob/main/repro (Exploit, exploit)
- github.com/mapnik/mapnik/ (Product, product)
Frequently asked questions
- What is CVE-2025-15564?
- CVE-2025-15564 is a low-severity vulnerability in Mapnik, classified under Divide By Zero. CVSS score: 3.3/10. Published 2026-02-07.
- How severe is CVE-2025-15564?
- Low severity. CVSS v3 base score is 3.3 out of 10.