Divide by Zero Vulnerability in Mapnik by Mapnik Project
CVE-2025-15564

4.8MEDIUM

Key Information:

Vendor

Mapnik Project

Status
Mapnik
Vendor
CVE Published:
7 February 2026

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-15564?

A local vulnerability has been identified in Mapnik versions up to 4.2.0, specifically in the function mapnik::detail::mod<...>::operator located in src/value.cpp. This issue allows for a divide by zero manipulation, which could potentially be exploited. The vulnerability has been publicly disclosed, and while it was reported to the project maintainers, there has been no response or mitigation as of now. Users are advised to monitor for any updates or patches addressing this issue.

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Affected Version(s)

Mapnik 4.0

Mapnik 4.1

Mapnik 4.2.0

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-15564 - Proof of Concept

References

https://vuldb.com/?id.344502
vdb-entrytechnical-description
https://vuldb.com/?ctiid.344502
signaturepermissions-required
https://vuldb.com/?submit.743386
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
None
Integrity:
None
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Oneafter (VulDB User)
JSON
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