CVE-2025-15564: A vulnerability has been found in Mapnik up to 4.2.0

Q: How do I fix CVE-2025-15564?

mapnik: upgrade to newer than 4.2.0. Exact commands for each OS are on this page.

Q: Is CVE-2025-15564 being exploited?

CVE-2025-15564 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

Q: What does CVE-2025-15564 affect?

CVE-2025-15564 affects mapnik. Severity is low (CVSS 3.3). 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.

Routine

LOW 3.3UPGRADE

CVE-2025-15564 is a low-severity flaw (CVSS 3.3) affecting mapnik. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.

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 this priority

Public exploit reference

A fixed release or distro patch exists.

Risk facts

CVSS score	3.3 (Low)
Attack vector	Local
Attack complexity	Low
Privileges needed	Low
User interaction	None
EPSS exploit chance	0.2% (top 86%)
CISA exploited list	No
Weakness	CWE-369, CWE-404
Published	2026-02-07
Last modified	2026-06-17

Publisher (CNA): VulDB · Vendor: mapnik

Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score

Am I affected?

Timeline

2026-02-07 22:16 UTCPublished CVE record published
2026-06-17 08:38 UTCUpdated Record last modified

mapnik mapnik UPGRADE

Affected: <= 4.2.0

Fixed in: newer than 4.2.0

Safe to downgrade to: no unaffected older release

1. Check installed version

apt-cache policy mapnik || rpm -q mapnik || mapnik --version

2. UPGRADE to newer than 4.2.0 (Debian / Ubuntu)

sudo apt update && sudo apt install --only-upgrade mapnik

2. UPGRADE (RHEL / Amazon Linux / Fedora)

sudo dnf upgrade mapnik

Note

Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.

Verify at the official source NVD · CVE Program · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.

Quick answers

How do I fix CVE-2025-15564?

mapnik: upgrade to newer than 4.2.0. Exact commands for each OS are on this page.

Is CVE-2025-15564 being exploited?

CVE-2025-15564 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.

What does CVE-2025-15564 affect?

CVE-2025-15564 affects mapnik. Severity is low (CVSS 3.3). 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.

How urgent is CVE-2025-15564?

Priority 20/100. Public exploit reference

Related CVEs

CVE-2025-15537 MEDIUM 5.3 UPGRADE A security vulnerability has been detected in Mapnik up to 4.2.0

References

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