🛡️ CVE-2025-15564 — mapnik

🟢 CVSS 3.3 — Low ⚠️ Exploit Public CWE-369 NVD

3.3

CVSS Score

0 Low4 Medium7 High9 Critical10

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.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs low-level privileges on the target. No user interaction is required. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability low.

Weakness class

CVE-2025-15564 is classified as CWE-369: Divide By Zero. A divisor derived from input is not checked for zero, terminating or destabilising the process.

Affected software

CVE-2025-15564 is recorded against 1 package.

mapnik (fixed in 4.2.0)

Timeline and source

Published on 7 February 2026 and last revised on 17 June 2026. A public exploit is known to exist, which raises the urgency of patching considerably. Record sourced from NVD.

References

github.com
github.com
github.com
vuldb.com
vuldb.com
vuldb.com

CVE-2025-15564 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Debian Ubuntu

Details

Severity LOW

CVSS Score 3.3

CVSS Vector CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L

CWE CWE-369

Public Exploit ⚠️ Yes

Source NVD

Published 2026-02-07

Updated 2026-08-11

Modified 2026-06-17

Fix URL N/A

Affected Packages

Software	From version	Fixed in
mapnik	—	4.2.0

References

Product https://github.com/mapnik/mapnik/

Exploit, Issue Tracking https://github.com/mapnik/mapnik/issues/4545

Exploit https://github.com/oneafter/1219/blob/main/repro

Permissions Required, VDB Entry https://vuldb.com/?ctiid.344502

Third Party Advisory, VDB Entry https://vuldb.com/?id.344502

Third Party Advisory, VDB Entry https://vuldb.com/?submit.743386

🔗 NVD 🔗 Mitre

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