Stack-based buffer overflow in ICS-CERT gpsd and microjson
Priority MEDIUM 43CWE-121Published · Updated
Key facts
- Attack vector
- Adjacent network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-121 and the CVSS impact.
Summary
gpsd versions 2.90 to 3.17 and microjson versions 1.0 to 1.3, an open source project, allow a stack-based buffer overflow, which may allow remote attackers to execute arbitrary code on embedded platforms via traffic on Port 2947/TCP or crafted JSON inputs.
Why it matters now
EPSS 0.02656 85th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| ICS-CERT | gpsd and microjson (Open Source Project) | gpsd versions 2.90 to 3.17 and microjson versions 1.0 to 1.3 | — | No fix listed | CNA |
- gpsd and microjson (Open Source Project) VendorICS-CERT Affected gpsd versions 2.90 to 3.17 and microjson versions 1.0 to 1.3 Fixed in — No fix listed CNA
CPE configurations NVD · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:gpsd_project:gpsd:*:*:*:*:*:*:*:* | 2.90 – 3.17 | Vulnerable | Gpsd Project |
| cpe:2.3:a:microjson_project:microjson:*:*:*:*:*:*:*:* | 1.0 – 1.3 | Vulnerable | Microjson Project |
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Debian |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | Debian |
- cpe:2.3:a:gpsd_project:gpsd:*:*:*:*:*:*:*:* Versions 2.90 – 3.17 Vulnerable ·Gpsd Project
- cpe:2.3:a:microjson_project:microjson:*:*:*:*:*:*:*:* Versions 1.0 – 1.3 Vulnerable ·Microjson Project
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·Debian
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2018-17937
- 2026-10-03 Alias added: GHSA-67xr-69p3-rj69
References
Sources
- CVE-2018-17937 · CVE Program
- CVE-2018-17937 · NVD
- FIRST EPSS
- GHSA-67xr-69p3-rj69 · GitHub Advisory Database · CC BY 4.0
- CVE-2018-17937 · Red Hat security data · CC BY 4.0
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