---
title: "CVE-2025-15564\n    | Ubuntu"
description: Ubuntu is an open source software operating system that runs from the
  desktop, to the cloud, to all your internet connected things.
url: https://ubuntu.com/security/CVE-2025-15564?format=md
keywords: index, follow
---

# CVE-2025-15564

Publication date 7 February 2026

Last updated 11 September 2026

---

Ubuntu priority

**Medium**

[Why this priority?](https://ubuntu.com/security/cves/about#priority )

## Cvss 3 Severity Score

**3.3 · Low**

[Score breakdown](https://ubuntu.com/security/CVE-2025-15564?format=md#impact-score)

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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.

## Status

Show unmaintained releases

| Package | Ubuntu Release | Status |
| --- | --- | --- |
| mapnik | 26.04 LTS resolute | Needs evaluation |
| 25.10 questing | Ignored end of life, was needs-triage |
| 24.04 LTS noble | Needs evaluation |
| 22.04 LTS jammy | Needs evaluation |
| 20.04 LTS focal | Needs evaluation |
| 18.04 LTS bionic | Needs evaluation |
| 16.04 LTS xenial | Needs evaluation |

---

* [How can I get the fixes?](https://ubuntu.com/security/cves/about#security)
* [What do statuses mean?](https://ubuntu.com/security/cves/about#statuses)

## Severity score breakdown

CVSS version:

CVSS v4.0

[CVSS v4.0](https://ubuntu.com/security/CVE-2025-15564?format=md)
[CVSS v3.0](https://ubuntu.com/security/CVE-2025-15564?format=md)

**Base score**

1.9 · Low

* Base metrics

  | Parameter | Value |
  | --- | --- |
  | Attack vector | Local |
  | Attack complexity | Low |
  | Attack requirements | None |
  | Privileges required | Low |
  | User interaction | None |
  | Vulnerable system - Confidentiality impact | None |
  | Vulnerable system - Integrity impact | None |
  | Vulnerable system - Availability impact | Low |
  | Subsequent system - Confidentiality impact | None |
  | Subsequent system - Integrity impact | None |
  | Subsequent system - Availability impact | None |
* Scores

  | Parameter | Value |
  | --- | --- |
  | Base score | 1.9 · Low |
  | Base + Threat score | - |
  | Base + Environmental score | - |
  | Base + Threat + Environmental score | - |

**Vector:** CVSS: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

## References

* [MITRE](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-15564)
* [NVD](https://nvd.nist.gov/vuln/detail/CVE-2025-15564)
* [Launchpad](https://launchpad.net/bugs/cve/CVE-2025-15564)
* [Debian](https://security-tracker.debian.org/tracker/CVE-2025-15564)

### Other references

* <https://www.cve.org/CVERecord?id=CVE-2025-15564>
* <https://github.com/mapnik/mapnik/issues/4545>
* <https://github.com/mapnik/mapnik/>
* <https://github.com/oneafter/1219/blob/main/repro>
* <https://vuldb.com/?ctiid.344502>
* <https://vuldb.com/?id.344502>
* <https://vuldb.com/?submit.743386>