CVE-2025-15537

Mapnik dbfile.cpp string_value heap-based overflow

MEDIUM
5.5
CVSS Score
Published: January 18, 2026 at 10:02 AM UTC
Updated: June 17, 2026 at 08:37 AM UTC
1 product affected across 1 vendorMapnik

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
PoC

Description

A security vulnerability has been detected in Mapnik up to 4.2.0. This issue affects the function mapnik::dbf_file::string_value of the file plugins/input/shape/dbfile.cpp. Such manipulation leads to heap-based buffer overflow. The attack must be carried out locally. The exploit has been disclosed publicly and may be used. The project was informed of the problem early through an issue report but has not responded yet.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (6)

VDB EntryTechnical DescriptionThird Party Advisory
Source: cverecord
https://vuldb.com/?id.341709
SignaturePermissions RequiredVDB Entry
Source: cverecord
https://vuldb.com/?ctiid.341709
Third Party AdvisoryExploitVDB Entry
Source: cverecord
https://vuldb.com/?submit.733348
Issue TrackingExploitVendor Advisory
Source: cverecord
https://github.com/mapnik/mapnik/issues/4543
Product
Source: cverecord
https://github.com/mapnik/mapnik/

SSVC — Action Prioritization

SSVCPoCNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-122CWE-119CWE-787

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