Contiki-NG before 4.2 has a stack-based buffer overflow in the push function in…
Priority LOW 31CWE-787Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA.
Summary
Contiki-NG before 4.2 has a stack-based buffer overflow in the push function in os/lib/json/jsonparse.c that allows an out-of-bounds write of an '{' or '[' character.
Why it matters now
EPSS 0.00322 25th 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 |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:o:contiki-ng_project:contiki-ng:4.2:*:*:*:*:*:*:* | 4.2 | Vulnerable | Contiki-ng Project |
- cpe:2.3:o:contiki-ng_project:contiki-ng:4.2:*:*:*:*:*:*:* Versions 4.2 Vulnerable ·Contiki-ng Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-20579
- 2026-10-03 Alias added: GHSA-r9mc-297w-w563
References
Sources
- CVE-2018-20579 · CVE Program
- CVE-2018-20579 · NVD
- FIRST EPSS
- GHSA-r9mc-297w-w563 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences