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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.

PUBLISHED Reserved 2026-02-05 | Published 2026-02-07 | Updated 2026-02-23 | Assigner VulDB




MEDIUM: 4.8CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P
LOW: 3.3CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
LOW: 3.3CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:P/RL:X/RC:R
1.7AV:L/AC:L/Au:S/C:N/I:N/A:P/E:POC/RL:ND/RC:UR

Problem types

Divide By Zero

Denial of Service

Timeline

2026-02-05:Advisory disclosed
2026-02-05:VulDB entry created
2026-02-08:VulDB entry last update

Credits

Oneafter (VulDB User) reporter

References

vuldb.com/?id.344502 (VDB-344502 | Mapnik value.cpp operator divide by zero) vdb-entry technical-description

vuldb.com/?ctiid.344502 (VDB-344502 | CTI Indicators (IOB, IOC, IOA)) signature permissions-required

vuldb.com/?submit.743386 (Submit #743386 | mapnik Mapnik v4.2.0 and master branch Divide By Zero) third-party-advisory

github.com/mapnik/mapnik/issues/4545 issue-tracking

github.com/oneafter/1219/blob/main/repro exploit

github.com/mapnik/mapnik/ product

cve.org (CVE-2025-15564)

nvd.nist.gov (CVE-2025-15564)

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