CVE-2018-16599: Amazon Web Services Freertos

Medium severity, CVSS 5.9. EPSS: 1.8% chance of exploitation in the next 30 days.

An issue was discovered in Amazon Web Services (AWS) FreeRTOS through 1.3.1, FreeRTOS up to V10.0.1 (with FreeRTOS+TCP), and WITTENSTEIN WHIS Connect middleware TCP/IP component. Out of bounds memory access during parsing of NBNS packets in prvTreatNBNS can be used for information disclosure.

Affected products

• Amazon Amazon Web Services Freertos: up to and including 1.3.1
• Amazon Freertos: up to and including 10.0.1

Published 2018-12-06. Last modified 2026-06-17.