coap_decode_option in coap.c in LibNyoci 0.07.00rc1 mishandles certain packets with…
Priority LOW 37CWE-476Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-476.
Summary
coap_decode_option in coap.c in LibNyoci 0.07.00rc1 mishandles certain packets with "Uri-Path: (null)" and consequently allows remote attackers to cause a denial of service (segmentation fault).
Why it matters now
EPSS 0.01897 79th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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:a:libnyoci_project:libnyoci:0.07.00:rc1:*:*:*:*:*:* | 0.07.00 rc1 | Vulnerable | Libnyoci Project |
- cpe:2.3:a:libnyoci_project:libnyoci:0.07.00:rc1:*:*:*:*:*:* Versions 0.07.00 rc1 Vulnerable ·Libnyoci Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-12101
- 2026-10-03 Alias added: GHSA-rqrw-382j-j2g6
References
Sources
- CVE-2019-12101 · CVE Program
- CVE-2019-12101 · NVD
- FIRST EPSS
- GHSA-rqrw-382j-j2g6 · GitHub Advisory Database · CC BY 4.0
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