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TI-2025-14203 Aliases CVE-2025-15564GHSA-4r58-h5cf-8qgj

Mapnik value.cpp operator divide by zero

Priority LOW 21CWE-369Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-369.

Summary

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00225 13th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD and the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Mapnik4.0; 4.1; 4.2.0—No fix listedCNA
  • Mapnik Vendor— Affected 4.0; 4.1; 4.2.0 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mapnik:mapnik:*:*:*:*:*:*:*:*up to 4.2.0VulnerableMapnik
  • cpe:2.3:a:mapnik:mapnik:*:*:*:*:*:*:*:* Versions up to 4.2.0 Vulnerable ·Mapnik

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2025-15564
  2. 2026-10-03 Alias added: GHSA-4r58-h5cf-8qgj

References

  • TI-2025-14176 Mapnik dbfile.cpp string_value heap-based overflow CVSS 4.0MEDIUM 4.8

Sources