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TI-2019-06643 Aliases CVE-2019-9183GHSA-p39c-5r3h-6j6m

An issue was discovered in Contiki-NG through 4.3 and Contiki through 3.0.

Priority LOW 37CWE-191Published · 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 3.1 · NVD. Fix status from CNA. Impact type from CWE-191 and the CVSS impact.

Summary

An issue was discovered in Contiki-NG through 4.3 and Contiki through 3.0. A buffer overflow is present due to an integer underflow during 6LoWPAN fragment processing in the face of truncated fragments in os/net/ipv6/sicslowpan.c. This results in accesses of unmapped memory, crashing the application. An attacker can cause a denial-of-service via a crafted 6LoWPAN frame.

Why it matters now

EPSS 0.02312 83rd 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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 2

CPEVersionsRoleVendor
cpe:2.3:o:contiki-ng:contiki-ng:*:*:*:*:*:*:*:*up to 4.3Vulnerablecontiki-ng
cpe:2.3:o:contiki-os:contiki:*:*:*:*:*:*:*:*up to 3.0VulnerableContiki-os
  • cpe:2.3:o:contiki-ng:contiki-ng:*:*:*:*:*:*:*:* Versions up to 4.3 Vulnerable ·contiki-ng
  • cpe:2.3:o:contiki-os:contiki:*:*:*:*:*:*:*:* Versions up to 3.0 Vulnerable ·Contiki-os

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2019-9183
  2. 2026-10-03 Alias added: GHSA-p39c-5r3h-6j6m

References

Patch 1

Advisory 2

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences