Mapnik dbfile.cpp string_value heap-based overflow
Priority MEDIUM 55CWE-119Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Attack requirements
- None
- Impact type
- —
- Confidentiality · integrity · availability
- Low · Low · Low
- Fix status
- No fix listed
Attack profile from CVSS 4.0 · CNA. Fix status from CNA.
Summary
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.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00221 12th 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
- Poc
- 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
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | Mapnik | 4.0; 4.1; 4.2.0 | — | No fix listed | CNA |
- Mapnik Vendor— Affected 4.0; 4.1; 4.2.0 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2025-15537
- 2026-10-03 Alias added: GHSA-m43m-9cwc-jq98
References
More Mapnik vulnerabilities
- TI-2025-14203 Mapnik value.cpp operator divide by zero CVSS 4.0MEDIUM 4.8
Sources
- CVE-2025-15537 · CVE Program
- CVE-2025-15537 · NVD
- FIRST EPSS
- GHSA-m43m-9cwc-jq98 · GitHub Advisory Database · CC BY 4.0
- CVE-2025-15537 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences