CVE-2025-15564: Mapnik value.cpp operator divide by zero

Severity: medium (CVSS 5.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-02-07 · updated 2026-06-17
Weakness: CWE-369

Description

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.

Affected products

Mapnik: through 4.2.0

References

https://github.com/mapnik/mapnik/
https://github.com/mapnik/mapnik/issues/4545
https://github.com/oneafter/1219/blob/main/repro
https://vuldb.com/?ctiid.344502
https://vuldb.com/?id.344502
https://vuldb.com/?submit.743386

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